204265040 has 40 divisors (see below), whose sum is σ = 542762880. Its totient is φ = 70033536.

The previous prime is 204265037. The next prime is 204265043. The reversal of 204265040 is 40562402.

It is an interprime number because it is at equal distance from previous prime (204265037) and next prime (204265043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 204264997 and 204265015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204265043) 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, 181820 + ... + 182939.

It is an arithmetic number, because the mean of its divisors is an integer number (13569072).

Almost surely, 2^204265040 is an apocalyptic number.

204265040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204265040 is an abundant number, since it is smaller than the sum of its proper divisors (338497840).

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

204265040 is a wasteful number, since it uses less digits than its factorization.

204265040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364779 (or 364773 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 204265040 is about 14292.1321012647. The cubic root of 204265040 is about 588.9313606223.

The spelling of 204265040 in words is "two hundred four million, two hundred sixty-five thousand, forty".