38929349725440 has 72 divisors (see below), whose sum is σ = 124330610697888. Its totient is φ = 10381159925760.

The previous prime is 38929349725393. The next prime is 38929349725459. The reversal of 38929349725440 is 4452794392983.

It is a congruent number.

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, 5068921906 + ... + 5068929585.

Almost surely, 2^{38929349725440} is an apocalyptic number.

38929349725440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38929349725440 is an abundant number, since it is smaller than the sum of its proper divisors (85401260972448).

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

38929349725440 is a wasteful number, since it uses less digits than its factorization.

38929349725440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137851515 (or 10137851501 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 69.

The spelling of 38929349725440 in words is "thirty-eight trillion, nine hundred twenty-nine billion, three hundred forty-nine million, seven hundred twenty-five thousand, four hundred forty".