40431008007 has 48 divisors (see below), whose sum is σ = 66141024768. Its totient is φ = 24530052960.

The previous prime is 40431007997. The next prime is 40431008017. The reversal of 40431008007 is 70080013404.

It is an interprime number because it is at equal distance from previous prime (40431007997) and next prime (40431008017).

It is not a de Polignac number, because 40431008007 - 2⁶ = 40431007943 is a prime.

It is a super-2 number, since 2×40431008007² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431008017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134158 + ... + 314420.

It is an arithmetic number, because the mean of its divisors is an integer number (1377938016).

Almost surely, 2^40431008007 is an apocalyptic number.

40431008007 is a deficient number, since it is larger than the sum of its proper divisors (25710016761).

40431008007 is a wasteful number, since it uses less digits than its factorization.

40431008007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180362 (or 180350 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 40431008007 in words is "forty billion, four hundred thirty-one million, eight thousand, seven".