40872510 has 48 divisors (see below), whose sum is σ = 121451616. Its totient is φ = 9342144.

The previous prime is 40872451. The next prime is 40872511. The reversal of 40872510 is 1527804.

40872510 is a `hidden beast` number, since 408 + 7 + 251 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872511) 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, 31809 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (2530242).

Almost surely, 2^40872510 is an apocalyptic number.

40872510 is an abundant number, since it is smaller than the sum of its proper divisors (80579106).

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

40872510 is a wasteful number, since it uses less digits than its factorization.

40872510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64897 (or 64894 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 40872510 is about 6393.1611898966. The cubic root of 40872510 is about 344.4639438223.

The spelling of 40872510 in words is "forty million, eight hundred seventy-two thousand, five hundred ten".