40423625 has 16 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 29398000.

The previous prime is 40423609. The next prime is 40423633. The reversal of 40423625 is 52632404.

It is not a de Polignac number, because 40423625 - 2⁴ = 40423609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40423594 and 40423603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13325 + ... + 16074.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^40423625 is an apocalyptic number.

It is an amenable number.

40423625 is a deficient number, since it is larger than the sum of its proper divisors (14613175).

40423625 is a wasteful number, since it uses less digits than its factorization.

40423625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29425 (or 29415 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40423625 is about 6357.9576123155. The cubic root of 40423625 is about 343.1982664328.

It can be divided in two parts, 4042 and 3625, that added together give a palindrome (7667).

The spelling of 40423625 in words is "forty million, four hundred twenty-three thousand, six hundred twenty-five".