40025512957 has 2 divisors, whose sum is σ = 40025512958. Its totient is φ = 40025512956.

The previous prime is 40025512873. The next prime is 40025513041. The reversal of 40025512957 is 75921552004.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40025512873) and next prime (40025513041).

It can be written as a sum of positive squares in only one way, i.e., 23309350276 + 16716162681 = 152674^2 + 129291^2 .

It is a cyclic number.

It is not a de Polignac number, because 40025512957 - 2²⁷ = 39891295229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40025512757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012756478 + 20012756479.

It is an arithmetic number, because the mean of its divisors is an integer number (20012756479).

Almost surely, 2^40025512957 is an apocalyptic number.

It is an amenable number.

40025512957 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025512957 is an equidigital number, since it uses as much as digits as its factorization.

40025512957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 40025512957 in words is "forty billion, twenty-five million, five hundred twelve thousand, nine hundred fifty-seven".