38453799384 has 672 divisors, whose sum is σ = 147892605840. Its totient is φ = 9209894400.

The previous prime is 38453799361. The next prime is 38453799403. The reversal of 38453799384 is 48399735483.

38453799384 is a `hidden beast` number, since 3 + 8 + 4 + 537 + 9 + 93 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 40864354 + ... + 40865294.

Almost surely, 2^38453799384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38453799384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73946302920).

38453799384 is an abundant number, since it is smaller than the sum of its proper divisors (109438806456).

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

38453799384 is a wasteful number, since it uses less digits than its factorization.

38453799384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 977 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 38453799384 in words is "thirty-eight billion, four hundred fifty-three million, seven hundred ninety-nine thousand, three hundred eighty-four".