253300740 has 192 divisors, whose sum is σ = 894136320. Its totient is φ = 52047360.

The previous prime is 253300717. The next prime is 253300741. The reversal of 253300740 is 47003352.

It is a super-2 number, since 2×253300740² = 128322529769095200, 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 253300740.

It is not an unprimeable number, because it can be changed into a prime (253300741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503329 + ... + 503831.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^253300740 is an apocalyptic number.

253300740 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 253300740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447068160).

253300740 is an abundant number, since it is smaller than the sum of its proper divisors (640835580).

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

253300740 is a wasteful number, since it uses less digits than its factorization.

253300740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 253300740 is about 15915.4245937707. The cubic root of 253300740 is about 632.7208600297.

The spelling of 253300740 in words is "two hundred fifty-three million, three hundred thousand, seven hundred forty".