38169427860 has 36 divisors (see below), whose sum is σ = 115780598388. Its totient is φ = 10178514048.

The previous prime is 38169427823. The next prime is 38169427861. The reversal of 38169427860 is 6872496183.

38169427860 is a `hidden beast` number, since 3 + 81 + 69 + 427 + 86 + 0 = 666.

38169427860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10692387216 + 27477040644 = 103404^2 + 165762^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 38169427797 and 38169427806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38169427861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106026009 + ... + 106026368.

It is an arithmetic number, because the mean of its divisors is an integer number (3216127733).

Almost surely, 2^38169427860 is an apocalyptic number.

38169427860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38169427860 is an abundant number, since it is smaller than the sum of its proper divisors (77611170528).

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

38169427860 is a wasteful number, since it uses less digits than its factorization.

38169427860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212052392 (or 212052387 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 38169427860 in words is "thirty-eight billion, one hundred sixty-nine million, four hundred twenty-seven thousand, eight hundred sixty".