40395580 has 24 divisors (see below), whose sum is σ = 85307040. Its totient is φ = 16067520.

The previous prime is 40395559. The next prime is 40395581. The reversal of 40395580 is 8559304.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40395581) 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, 1960 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (3554460).

Almost surely, 2^40395580 is an apocalyptic number.

It is an amenable number.

40395580 is an abundant number, since it is smaller than the sum of its proper divisors (44911460).

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

40395580 is a wasteful number, since it uses less digits than its factorization.

40395580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349 (or 11347 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 40395580 is about 6355.7517257992. The cubic root of 40395580 is about 343.1188803303.

The spelling of 40395580 in words is "forty million, three hundred ninety-five thousand, five hundred eighty".