40645088 has 24 divisors (see below), whose sum is σ = 87295320. Its totient is φ = 18474880.

The previous prime is 40645069. The next prime is 40645103. The reversal of 40645088 is 88054604.

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 in 3 ways as a sum of consecutive naturals, for example, 57383 + ... + 58086.

It is an arithmetic number, because the mean of its divisors is an integer number (3637305).

Almost surely, 2^40645088 is an apocalyptic number.

It is an amenable number.

40645088 is an abundant number, since it is smaller than the sum of its proper divisors (46650232).

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

40645088 is a wasteful number, since it uses less digits than its factorization.

40645088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115490 (or 115482 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 40645088 is about 6375.3500296062. The cubic root of 40645088 is about 343.8238687312.

The spelling of 40645088 in words is "forty million, six hundred forty-five thousand, eighty-eight".