40396088 has 8 divisors (see below), whose sum is σ = 75742680. Its totient is φ = 20198040.

The previous prime is 40396079. The next prime is 40396129. The reversal of 40396088 is 88069304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2524748 + ... + 2524763.

It is an arithmetic number, because the mean of its divisors is an integer number (9467835).

Almost surely, 2^40396088 is an apocalyptic number.

It is an amenable number.

40396088 is a deficient number, since it is larger than the sum of its proper divisors (35346592).

40396088 is a wasteful number, since it uses less digits than its factorization.

40396088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049517 (or 5049513 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40396088 is about 6355.7916894750. The cubic root of 40396088 is about 343.1203186367.

The spelling of 40396088 in words is "forty million, three hundred ninety-six thousand, eighty-eight".