40465621425 has 12 divisors (see below), whose sum is σ = 66903160880. Its totient is φ = 21581664720.

The previous prime is 40465621411. The next prime is 40465621447. The reversal of 40465621425 is 52412656404.

40465621425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40465621425 - 2¹⁴ = 40465605041 is a prime.

It is a super-2 number, since 2×40465621425² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269770735 + ... + 269770884.

Almost surely, 2^40465621425 is an apocalyptic number.

It is an amenable number.

40465621425 is a deficient number, since it is larger than the sum of its proper divisors (26437539455).

40465621425 is a wasteful number, since it uses less digits than its factorization.

40465621425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539541632 (or 539541627 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 40465621425 in words is "forty billion, four hundred sixty-five million, six hundred twenty-one thousand, four hundred twenty-five".