40459025 has 12 divisors (see below), whose sum is σ = 50568192. Its totient is φ = 32109840.

The previous prime is 40459021. The next prime is 40459051. The reversal of 40459025 is 52095404.

It is a happy number.

It is not a de Polignac number, because 40459025 - 2² = 40459021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40459021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3197 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (4214016).

Almost surely, 2^40459025 is an apocalyptic number.

It is an amenable number.

40459025 is a deficient number, since it is larger than the sum of its proper divisors (10109167).

40459025 is a wasteful number, since it uses less digits than its factorization.

40459025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880 (or 12875 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40459025 is about 6360.7409159625. The cubic root of 40459025 is about 343.2984196963.

The spelling of 40459025 in words is "forty million, four hundred fifty-nine thousand, twenty-five".