39140468388 has 72 divisors (see below), whose sum is σ = 119023661120. Its totient is φ = 10594411200.

The previous prime is 39140468377. The next prime is 39140468443. The reversal of 39140468388 is 88386404193.

39140468388 is a `hidden beast` number, since 3 + 9 + 140 + 468 + 38 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4082563 + ... + 4092138.

Almost surely, 2^39140468388 is an apocalyptic number.

39140468388 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39140468388 is an abundant number, since it is smaller than the sum of its proper divisors (79883192732).

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

39140468388 is a wasteful number, since it uses less digits than its factorization.

39140468388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174737 (or 8174732 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

It can be divided in two parts, 39140 and 468388, that added together give a triangular number (507528 = T₁₀₀₇).

The spelling of 39140468388 in words is "thirty-nine billion, one hundred forty million, four hundred sixty-eight thousand, three hundred eighty-eight".