40475025 has 48 divisors (see below), whose sum is σ = 75649920. Its totient is φ = 21211200.

The previous prime is 40475023. The next prime is 40475051. The reversal of 40475025 is 52057404.

It is not a de Polignac number, because 40475025 - 2¹ = 40475023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40475025.

It is not an unprimeable number, because it can be changed into a prime (40475023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40684 + ... + 41666.

It is an arithmetic number, because the mean of its divisors is an integer number (1576040).

Almost surely, 2^40475025 is an apocalyptic number.

40475025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40475025 is a deficient number, since it is larger than the sum of its proper divisors (35174895).

40475025 is a wasteful number, since it uses less digits than its factorization.

40475025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40475025 is about 6361.9985067587. The cubic root of 40475025 is about 343.3436675391.

The spelling of 40475025 in words is "forty million, four hundred seventy-five thousand, twenty-five".