40597880 has 32 divisors (see below), whose sum is σ = 93817440. Its totient is φ = 15799680.

The previous prime is 40597811. The next prime is 40597937. The reversal of 40597880 is 8879504.

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, 12236 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (2931795).

Almost surely, 2^40597880 is an apocalyptic number.

40597880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40597880 is an abundant number, since it is smaller than the sum of its proper divisors (53219560).

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

40597880 is a wasteful number, since it uses less digits than its factorization.

40597880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27479 (or 27475 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 40597880 is about 6371.6465689804. The cubic root of 40597880 is about 343.6907036012.

The spelling of 40597880 in words is "forty million, five hundred ninety-seven thousand, eight hundred eighty".