38939396654780 has 48 divisors (see below), whose sum is σ = 86938032815424. Its totient is φ = 14617447004160.

The previous prime is 38939396654761. The next prime is 38939396654791. The reversal of 38939396654780 is 8745669393983.

It is a super-2 number, since 2×38939396654780² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38939396654695 and 38939396654704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798568661 + ... + 798617420.

It is an arithmetic number, because the mean of its divisors is an integer number (1811209016988).

Almost surely, 2^{38939396654780} is an apocalyptic number.

It is an amenable number.

38939396654780 is an abundant number, since it is smaller than the sum of its proper divisors (47998636160644).

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

38939396654780 is a wasteful number, since it uses less digits than its factorization.

38939396654780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597186166 (or 1597186164 counting only the distinct ones).

The product of its (nonzero) digits is 6348948480, while the sum is 80.

The spelling of 38939396654780 in words is "thirty-eight trillion, nine hundred thirty-nine billion, three hundred ninety-six million, six hundred fifty-four thousand, seven hundred eighty".