38426840855624 has 128 divisors (see below), whose sum is σ = 83022952320000. Its totient is φ = 16517101891584.

The previous prime is 38426840855621. The next prime is 38426840855639. The reversal of 38426840855624 is 42655804862483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38426840855621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69005297 + ... + 69559935.

It is an arithmetic number, because the mean of its divisors is an integer number (648616815000).

Almost surely, 2^{38426840855624} is an apocalyptic number.

38426840855624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38426840855624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41511476160000).

38426840855624 is an abundant number, since it is smaller than the sum of its proper divisors (44596111464376).

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

38426840855624 is a wasteful number, since it uses less digits than its factorization.

38426840855624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555087 (or 555083 counting only the distinct ones).

The product of its (nonzero) digits is 353894400, while the sum is 65.

The spelling of 38426840855624 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred forty million, eight hundred fifty-five thousand, six hundred twenty-four".