40342900 has 36 divisors (see below), whose sum is σ = 94281292. Its totient is φ = 14895360.

The previous prime is 40342879. The next prime is 40342903. The reversal of 40342900 is 924304.

It can be written as a sum of positive squares in 6 ways, for example, as 2471184 + 37871716 = 1572^2 + 6154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14217 + ... + 16816.

Almost surely, 2^40342900 is an apocalyptic number.

It is an amenable number.

40342900 is an abundant number, since it is smaller than the sum of its proper divisors (53938392).

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

40342900 is a wasteful number, since it uses less digits than its factorization.

40342900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060 (or 31053 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40342900 is about 6351.6060960988. The cubic root of 40342900 is about 342.9696613171.

The spelling of 40342900 in words is "forty million, three hundred forty-two thousand, nine hundred".