40504375 has 20 divisors (see below), whose sum is σ = 51014920. Its totient is φ = 32148000.

The previous prime is 40504363. The next prime is 40504397. The reversal of 40504375 is 57340504.

It is a de Polignac number, because none of the positive numbers 2^k-40504375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142984 + ... + 143266.

It is an arithmetic number, because the mean of its divisors is an integer number (2550746).

Almost surely, 2^40504375 is an apocalyptic number.

40504375 is a deficient number, since it is larger than the sum of its proper divisors (10510545).

40504375 is an equidigital number, since it uses as much as digits as its factorization.

40504375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 40504375 is about 6364.3047538596. The cubic root of 40504375 is about 343.4266380610.

Adding to 40504375 its reverse (57340504), we get a palindrome (97844879).

The spelling of 40504375 in words is "forty million, five hundred four thousand, three hundred seventy-five".