253731144464 has 40 divisors (see below), whose sum is σ = 562790520768. Its totient is φ = 108556640640.

The previous prime is 253731144451. The next prime is 253731144467. The reversal of 253731144464 is 464441137352.

It is a super-2 number, since 2×253731144464² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253731144467) 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, 1863947 + ... + 1995434.

Almost surely, 2^253731144464 is an apocalyptic number.

It is an amenable number.

253731144464 is an abundant number, since it is smaller than the sum of its proper divisors (309059376304).

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

253731144464 is a wasteful number, since it uses less digits than its factorization.

253731144464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859983 (or 3859977 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 253731144464 in words is "two hundred fifty-three billion, seven hundred thirty-one million, one hundred forty-four thousand, four hundred sixty-four".