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40412221332401 = 375918512240647
BaseRepresentation
bin10010011000001001101000…
…00110001101101110110001
312022002101000012002101122002
421030010310012031232301
520244103212130114101
6221541041310023345
711340454342414322
oct1114046406155661
9168071005071562
1040412221332401
11119707aa441386
1246481ab1a7b55
131971b18b83629
149d9d67832449
154a1334505d6b
hex24c13418dbb1

40412221332401 has 8 divisors (see below), whose sum is σ = 42207908677440. Its totient is φ = 38653558468848.

The previous prime is 40412221332377. The next prime is 40412221332409. The reversal of 40412221332401 is 10423312221404.

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-40412221332401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40412221332409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256118141 + ... + 9256122506.

It is an arithmetic number, because the mean of its divisors is an integer number (5275988584680).

Almost surely, 240412221332401 is an apocalyptic number.

It is an amenable number.

40412221332401 is a deficient number, since it is larger than the sum of its proper divisors (1795687345039).

40412221332401 is a wasteful number, since it uses less digits than its factorization.

40412221332401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18512240743.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40412221332401 its reverse (10423312221404), we get a palindrome (50835533553805).

The spelling of 40412221332401 in words is "forty trillion, four hundred twelve billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred one".

Divisors: 1 37 59 2183 18512240647 684952903939 1092222198173 40412221332401