204080140 has 48 divisors (see below), whose sum is σ = 492145920. Its totient is φ = 70303680.

The previous prime is 204080117. The next prime is 204080141. The reversal of 204080140 is 41080402.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (204080141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20232 + ... + 28591.

It is an arithmetic number, because the mean of its divisors is an integer number (10253040).

Almost surely, 2^204080140 is an apocalyptic number.

204080140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204080140 is an abundant number, since it is smaller than the sum of its proper divisors (288065780).

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

204080140 is a wasteful number, since it uses less digits than its factorization.

204080140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48862 (or 48860 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 204080140 is about 14285.6620427616. The cubic root of 204080140 is about 588.7536074415.

The spelling of 204080140 in words is "two hundred four million, eighty thousand, one hundred forty".