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1404405401401 = 46121131441757
BaseRepresentation
bin10100011011111101000…
…101011100011100111001
311222021000102112101002201
4110123331011130130321
5141002210240321101
62553101441430201
7203315321642632
oct24337505343471
94867012471081
101404405401401
114a16722665a2
121a822463b361
13a258650b572
144bd8b72c889
15267e9cb3e01
hex146fd15c739

1404405401401 has 8 divisors (see below), whose sum is σ = 1408118902344. Its totient is φ = 1400694789120.

The previous prime is 1404405401353. The next prime is 1404405401423. The reversal of 1404405401401 is 1041045044041.

It can be written as a sum of positive squares in 4 ways, for example, as 275625 + 1404405125776 = 525^2 + 1185076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1404405401401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404405401401.

It is not an unprimeable number, because it can be changed into a prime (1404405401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253215 + ... + 1694971.

It is an arithmetic number, because the mean of its divisors is an integer number (176014862793).

Almost surely, 21404405401401 is an apocalyptic number.

It is an amenable number.

1404405401401 is a deficient number, since it is larger than the sum of its proper divisors (3713500943).

1404405401401 is a wasteful number, since it uses less digits than its factorization.

1404405401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444331.

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 1404405401401 in words is "one trillion, four hundred four billion, four hundred five million, four hundred one thousand, four hundred one".

Divisors: 1 461 2113 974093 1441757 664649977 3046432541 1404405401401