38401355121284 has 24 divisors (see below), whose sum is σ = 70433130979008. Its totient is φ = 18284958586400.

The previous prime is 38401355121281. The next prime is 38401355121323. The reversal of 38401355121284 is 48212155310483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38401355121281) 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, 919375667 + ... + 919417434.

It is an arithmetic number, because the mean of its divisors is an integer number (2934713790792).

Almost surely, 2^{38401355121284} is an apocalyptic number.

It is an amenable number.

38401355121284 is a deficient number, since it is larger than the sum of its proper divisors (32031775857724).

38401355121284 is a wasteful number, since it uses less digits than its factorization.

38401355121284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838793355 (or 1838793353 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 38401355121284 in words is "thirty-eight trillion, four hundred one billion, three hundred fifty-five million, one hundred twenty-one thousand, two hundred eighty-four".