40872500 has 30 divisors (see below), whose sum is σ = 89385450. Its totient is φ = 16348000.

The previous prime is 40872451. The next prime is 40872511. The reversal of 40872500 is 527804.

It can be written as a sum of positive squares in 5 ways, for example, as 23600164 + 17272336 = 4858^2 + 4156^2 .

It is a super-2 number, since 2×40872500² = 3341122512500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40872500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5675 + ... + 10674.

It is an arithmetic number, because the mean of its divisors is an integer number (2979515).

Almost surely, 2^40872500 is an apocalyptic number.

It is an amenable number.

40872500 is an abundant number, since it is smaller than the sum of its proper divisors (48512950).

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

40872500 is a wasteful number, since it uses less digits than its factorization.

40872500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373 (or 16356 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 40872500 is about 6393.1604078108. The cubic root of 40872500 is about 344.4639157297.

The spelling of 40872500 in words is "forty million, eight hundred seventy-two thousand, five hundred".