253051040 has 48 divisors (see below), whose sum is σ = 652186080. Its totient is φ = 92017920.

The previous prime is 253051039. The next prime is 253051067. The reversal of 253051040 is 40150352.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70130 + ... + 73649.

It is an arithmetic number, because the mean of its divisors is an integer number (13587210).

Almost surely, 2^253051040 is an apocalyptic number.

253051040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253051040 is an abundant number, since it is smaller than the sum of its proper divisors (399135040).

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

253051040 is a wasteful number, since it uses less digits than its factorization.

253051040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143805 (or 143797 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 253051040 is about 15907.5780683296. The cubic root of 253051040 is about 632.5128828217.

The spelling of 253051040 in words is "two hundred fifty-three million, fifty-one thousand, forty".