40478504 has 32 divisors (see below), whose sum is σ = 83082240. Its totient is φ = 18336000.

The previous prime is 40478497. The next prime is 40478527. The reversal of 40478504 is 40587404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33104 + ... + 34304.

It is an arithmetic number, because the mean of its divisors is an integer number (2596320).

Almost surely, 2^40478504 is an apocalyptic number.

40478504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40478504 is an abundant number, since it is smaller than the sum of its proper divisors (42603736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40478504 is a wasteful number, since it uses less digits than its factorization.

40478504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40478504 is about 6362.2719212558. The cubic root of 40478504 is about 343.3535045385.

Subtracting 40478504 from its reverse (40587404), we obtain a square (108900 = 330²).

The spelling of 40478504 in words is "forty million, four hundred seventy-eight thousand, five hundred four".