253108720 has 40 divisors (see below), whose sum is σ = 589493520. Its totient is φ = 101068800.

The previous prime is 253108717. The next prime is 253108729. The reversal of 253108720 is 27801352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253108729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50320 + ... + 55120.

It is an arithmetic number, because the mean of its divisors is an integer number (14737338).

Almost surely, 2^253108720 is an apocalyptic number.

253108720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253108720 is an abundant number, since it is smaller than the sum of its proper divisors (336384800).

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

253108720 is a wasteful number, since it uses less digits than its factorization.

253108720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 253108720 is about 15909.3909374306. The cubic root of 253108720 is about 632.5609371213.

It can be divided in two parts, 253108 and 720, that added together give a triangular number (253828 = T₇₁₂).

The spelling of 253108720 in words is "two hundred fifty-three million, one hundred eight thousand, seven hundred twenty".