253477382408 has 16 divisors (see below), whose sum is σ = 475276336080. Its totient is φ = 126737026128.

The previous prime is 253477382407. The next prime is 253477382447. The reversal of 253477382408 is 804283774352.

It is a super-2 number, since 2×253477382408² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253477382408.

It is not an unprimeable number, because it can be changed into a prime (253477382407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644135 + ... + 960137.

It is an arithmetic number, because the mean of its divisors is an integer number (29704771005).

Almost surely, 2^253477382408 is an apocalyptic number.

It is an amenable number.

253477382408 is a deficient number, since it is larger than the sum of its proper divisors (221798953672).

253477382408 is a wasteful number, since it uses less digits than its factorization.

253477382408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416276 (or 416272 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 253477382408 in words is "two hundred fifty-three billion, four hundred seventy-seven million, three hundred eighty-two thousand, four hundred eight".