38253887464 has 32 divisors (see below), whose sum is σ = 77952105000. Its totient is φ = 17493656832.

The previous prime is 38253887459. The next prime is 38253887471. The reversal of 38253887464 is 46478835283.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26063519364 + 12190368100 = 161442^2 + 110410^2 .

It is a super-2 number, since 2×38253887464² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38253887399 and 38253887408.

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, 1675939 + ... + 1698610.

Almost surely, 2^38253887464 is an apocalyptic number.

It is an amenable number.

38253887464 is an abundant number, since it is smaller than the sum of its proper divisors (39698217536).

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

38253887464 is a wasteful number, since it uses less digits than its factorization.

38253887464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374677 (or 3374673 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 58.

The spelling of 38253887464 in words is "thirty-eight billion, two hundred fifty-three million, eight hundred eighty-seven thousand, four hundred sixty-four".