40440088 has 32 divisors (see below), whose sum is σ = 81920160. Its totient is φ = 18604800.

The previous prime is 40440079. The next prime is 40440091. The reversal of 40440088 is 88004404.

It is a happy number.

It is a congruent number.

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, 62181 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (2560005).

Almost surely, 2^40440088 is an apocalyptic number.

It is an amenable number.

40440088 is an abundant number, since it is smaller than the sum of its proper divisors (41480072).

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

40440088 is a wasteful number, since it uses less digits than its factorization.

40440088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 40440088 is about 6359.2521572902. The cubic root of 40440088 is about 343.2448506288.

The spelling of 40440088 in words is "forty million, four hundred forty thousand, eighty-eight".