40597020 has 72 divisors (see below), whose sum is σ = 130397904. Its totient is φ = 10188288.

The previous prime is 40597009. The next prime is 40597027. The reversal of 40597020 is 2079504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40597027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3574 + ... + 9693.

It is an arithmetic number, because the mean of its divisors is an integer number (1811082).

Almost surely, 2^40597020 is an apocalyptic number.

It is an amenable number.

40597020 is an abundant number, since it is smaller than the sum of its proper divisors (89800884).

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

40597020 is a wasteful number, since it uses less digits than its factorization.

40597020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299 (or 13294 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 40597020 is about 6371.5790821428. The cubic root of 40597020 is about 343.6882767414.

The spelling of 40597020 in words is "forty million, five hundred ninety-seven thousand, twenty".