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40455040031 = 713742184609
BaseRepresentation
bin100101101011010011…
…101110110000011111
310212102101021222001222
4211223103232300133
51130322442240111
630330151523555
72631341111060
oct455323566037
9125371258058
1040455040031
111617a8a738a
127a103895bb
133a79425313
141d5abbc567
1510bb91d7db
hex96b4eec1f

40455040031 has 8 divisors (see below), whose sum is σ = 46571809440. Its totient is φ = 34422640128.

The previous prime is 40455040007. The next prime is 40455040061. The reversal of 40455040031 is 13004055404.

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

It is a cyclic number.

It is not a de Polignac number, because 40455040031 - 214 = 40455023647 is a prime.

It is a super-2 number, since 2×404550400312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455040061) 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, 21091346 + ... + 21093263.

It is an arithmetic number, because the mean of its divisors is an integer number (5821476180).

Almost surely, 240455040031 is an apocalyptic number.

40455040031 is a deficient number, since it is larger than the sum of its proper divisors (6116769409).

40455040031 is a wasteful number, since it uses less digits than its factorization.

40455040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42184753.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40455040031 its reverse (13004055404), we get a palindrome (53459095435).

The spelling of 40455040031 in words is "forty billion, four hundred fifty-five million, forty thousand, thirty-one".

Divisors: 1 7 137 959 42184609 295292263 5779291433 40455040031