38431288238248 has 32 divisors (see below), whose sum is σ = 75740495117760. Its totient is φ = 18246019411840.

The previous prime is 38431288238219. The next prime is 38431288238257. The reversal of 38431288238248 is 84283288213483.

It is a happy number.

It is a super-2 number, since 2×38431288238248² (a number of 28 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 38431288238248.

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, 762258358 + ... + 762308773.

It is an arithmetic number, because the mean of its divisors is an integer number (2366890472430).

Almost surely, 2^{38431288238248} is an apocalyptic number.

It is an amenable number.

38431288238248 is a deficient number, since it is larger than the sum of its proper divisors (37309206879512).

38431288238248 is a wasteful number, since it uses less digits than its factorization.

38431288238248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524567297 (or 1524567293 counting only the distinct ones).

The product of its digits is 113246208, while the sum is 64.

The spelling of 38431288238248 in words is "thirty-eight trillion, four hundred thirty-one billion, two hundred eighty-eight million, two hundred thirty-eight thousand, two hundred forty-eight".