38880293140 has 48 divisors (see below), whose sum is σ = 87975005328. Its totient is φ = 14348335104.

The previous prime is 38880293129. The next prime is 38880293149. The reversal of 38880293140 is 4139208883.

It can be written as a sum of positive squares in 8 ways, for example, as 2493204624 + 36387088516 = 49932^2 + 190754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38880293149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475084 + ... + 550876.

It is an arithmetic number, because the mean of its divisors is an integer number (1832812611).

Almost surely, 2^38880293140 is an apocalyptic number.

It is an amenable number.

38880293140 is an abundant number, since it is smaller than the sum of its proper divisors (49094712188).

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

38880293140 is a wasteful number, since it uses less digits than its factorization.

38880293140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77788 (or 77786 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 38880293140 in words is "thirty-eight billion, eight hundred eighty million, two hundred ninety-three thousand, one hundred forty".