38114777640 has 32 divisors (see below), whose sum is σ = 114344333280. Its totient is φ = 10163940672.

The previous prime is 38114777627. The next prime is 38114777671. The reversal of 38114777640 is 4677741183.

38114777640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38114777640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158811454 + ... + 158811693.

It is an arithmetic number, because the mean of its divisors is an integer number (3573260415).

Almost surely, 2^38114777640 is an apocalyptic number.

38114777640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38114777640 is an abundant number, since it is smaller than the sum of its proper divisors (76229555640).

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

38114777640 is a wasteful number, since it uses less digits than its factorization.

38114777640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317623161 (or 317623157 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 38114777640 in words is "thirty-eight billion, one hundred fourteen million, seven hundred seventy-seven thousand, six hundred forty".