40074288 has 40 divisors (see below), whose sum is σ = 107098800. Its totient is φ = 12897024.

The previous prime is 40074277. The next prime is 40074301. The reversal of 40074288 is 88247004.

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, 13003 + ... + 15786.

It is an arithmetic number, because the mean of its divisors is an integer number (2677470).

Almost surely, 2^40074288 is an apocalyptic number.

40074288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40074288 is an abundant number, since it is smaller than the sum of its proper divisors (67024512).

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

40074288 is a wasteful number, since it uses less digits than its factorization.

40074288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28829 (or 28823 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 40074288 is about 6330.4255781108. The cubic root of 40074288 is about 342.2067762248.

The spelling of 40074288 in words is "forty million, seventy-four thousand, two hundred eighty-eight".