40157429107 has 2 divisors, whose sum is σ = 40157429108. Its totient is φ = 40157429106.

The previous prime is 40157429063. The next prime is 40157429149. The reversal of 40157429107 is 70192475104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40157429107 - 2¹⁵ = 40157396339 is a prime.

It is a super-2 number, since 2×40157429107² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40157429107.

It is not a weakly prime, because it can be changed into another prime (40157429167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078714553 + 20078714554.

It is an arithmetic number, because the mean of its divisors is an integer number (20078714554).

Almost surely, 2^40157429107 is an apocalyptic number.

40157429107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157429107 is an equidigital number, since it uses as much as digits as its factorization.

40157429107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 40157429107 in words is "forty billion, one hundred fifty-seven million, four hundred twenty-nine thousand, one hundred seven".