40047304 has 32 divisors (see below), whose sum is σ = 82182240. Its totient is φ = 18144000.

The previous prime is 40047299. The next prime is 40047311. The reversal of 40047304 is 40374004.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 37579 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (2568195).

Almost surely, 2^40047304 is an apocalyptic number.

40047304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40047304 is an abundant number, since it is smaller than the sum of its proper divisors (42134936).

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

40047304 is a wasteful number, since it uses less digits than its factorization.

40047304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40047304 is about 6328.2939249058. The cubic root of 40047304 is about 342.1299507300.

The spelling of 40047304 in words is "forty million, forty-seven thousand, three hundred four".