40431012007 has 2 divisors, whose sum is σ = 40431012008. Its totient is φ = 40431012006.

The previous prime is 40431011989. The next prime is 40431012031. The reversal of 40431012007 is 70021013404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40431012007 - 2⁷ = 40431011879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40431015007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215506003 + 20215506004.

It is an arithmetic number, because the mean of its divisors is an integer number (20215506004).

Almost surely, 2^40431012007 is an apocalyptic number.

40431012007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40431012007 is an equidigital number, since it uses as much as digits as its factorization.

40431012007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 40431012007 in words is "forty billion, four hundred thirty-one million, twelve thousand, seven".