40465625 has 24 divisors (see below), whose sum is σ = 52871616. Its totient is φ = 30910000.

The previous prime is 40465613. The next prime is 40465673. The reversal of 40465625 is 52656404.

It is not a de Polignac number, because 40465625 - 2⁴ = 40465609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40465591 and 40465600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71594 + ... + 72156.

It is an arithmetic number, because the mean of its divisors is an integer number (2202984).

Almost surely, 2^40465625 is an apocalyptic number.

It is an amenable number.

40465625 is a deficient number, since it is larger than the sum of its proper divisors (12405991).

40465625 is an frugal number, since it uses more digits than its factorization.

40465625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 40465625 is about 6361.2597022917. The cubic root of 40465625 is about 343.3170858766.

The spelling of 40465625 in words is "forty million, four hundred sixty-five thousand, six hundred twenty-five".