40904530 has 32 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 15433920.

The previous prime is 40904519. The next prime is 40904569. The reversal of 40904530 is 3540904.

It is a junction number, because it is equal to n+sod(n) for n = 40904495 and 40904504.

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, 87357 + ... + 87823.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 2^40904530 is an apocalyptic number.

40904530 is a deficient number, since it is larger than the sum of its proper divisors (36933230).

40904530 is a wasteful number, since it uses less digits than its factorization.

40904530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40904530 is about 6395.6649380655. The cubic root of 40904530 is about 344.5538726967.

The spelling of 40904530 in words is "forty million, nine hundred four thousand, five hundred thirty".