40904352 has 120 divisors (see below), whose sum is σ = 123431616. Its totient is φ = 13281408.

The previous prime is 40904273. The next prime is 40904387. The reversal of 40904352 is 25340904.

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

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, 111273 + ... + 111639.

Almost surely, 2^40904352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40904352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61715808).

40904352 is an abundant number, since it is smaller than the sum of its proper divisors (82527264).

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

40904352 is a wasteful number, since it uses less digits than its factorization.

40904352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40904352 is about 6395.6510223745. The cubic root of 40904352 is about 344.5533729096.

The spelling of 40904352 in words is "forty million, nine hundred four thousand, three hundred fifty-two".