40452457425 has 72 divisors (see below), whose sum is σ = 69647027424. Its totient is φ = 20716523520.

The previous prime is 40452457421. The next prime is 40452457429. The reversal of 40452457425 is 52475425404.

40452457425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40452457421) and next prime (40452457429).

It is not a de Polignac number, because 40452457425 - 2² = 40452457421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40452457421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12171814 + ... + 12175136.

Almost surely, 2^40452457425 is an apocalyptic number.

It is an amenable number.

40452457425 is a deficient number, since it is larger than the sum of its proper divisors (29194569999).

40452457425 is a wasteful number, since it uses less digits than its factorization.

40452457425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 42.

The spelling of 40452457425 in words is "forty billion, four hundred fifty-two million, four hundred fifty-seven thousand, four hundred twenty-five".