38748743040 has 128 divisors (see below), whose sum is σ = 141156184320. Its totient is φ = 8856852480.

The previous prime is 38748743039. The next prime is 38748743053. The reversal of 38748743040 is 4034784783.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1428106 + ... + 1454985.

It is an arithmetic number, because the mean of its divisors is an integer number (1102782690).

Almost surely, 2^38748743040 is an apocalyptic number.

38748743040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38748743040 is an abundant number, since it is smaller than the sum of its proper divisors (102407441280).

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

38748743040 is a wasteful number, since it uses less digits than its factorization.

38748743040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883120 (or 2883108 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 38748743040 in words is "thirty-eight billion, seven hundred forty-eight million, seven hundred forty-three thousand, forty".