40496388 has 24 divisors (see below), whose sum is σ = 95121600. Its totient is φ = 13408800.

The previous prime is 40496387. The next prime is 40496419. The reversal of 40496388 is 88369404.

It is not an unprimeable number, because it can be changed into a prime (40496381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9363 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (3963400).

Almost surely, 2^40496388 is an apocalyptic number.

It is an amenable number.

40496388 is an abundant number, since it is smaller than the sum of its proper divisors (54625212).

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

40496388 is a wasteful number, since it uses less digits than its factorization.

40496388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22507 (or 22505 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40496388 is about 6363.6772388298. The cubic root of 40496388 is about 343.4040633073.

The spelling of 40496388 in words is "forty million, four hundred ninety-six thousand, three hundred eighty-eight".