204244740 has 360 divisors, whose sum is σ = 778643712. Its totient is φ = 44634240.

The previous prime is 204244727. The next prime is 204244753. The reversal of 204244740 is 47442402.

It is an interprime number because it is at equal distance from previous prime (204244727) and next prime (204244753).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2460739 + ... + 2460821.

Almost surely, 2^204244740 is an apocalyptic number.

204244740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204244740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389321856).

204244740 is an abundant number, since it is smaller than the sum of its proper divisors (574398972).

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

204244740 is a wasteful number, since it uses less digits than its factorization.

204244740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 204244740 is about 14291.4219026659. The cubic root of 204244740 is about 588.9118505082.

The spelling of 204244740 in words is "two hundred four million, two hundred forty-four thousand, seven hundred forty".