38449792500 has 480 divisors, whose sum is σ = 137900657664. Its totient is φ = 8135424000.

The previous prime is 38449792489. The next prime is 38449792531. The reversal of 38449792500 is 529794483.

It is a hoax number, since the sum of its digits (51) 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 (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 59797179 + ... + 59797821.

Almost surely, 2^38449792500 is an apocalyptic number.

38449792500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38449792500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68950328832).

38449792500 is an abundant number, since it is smaller than the sum of its proper divisors (99450865164).

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

38449792500 is a wasteful number, since it uses less digits than its factorization.

38449792500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 38449792500 in words is "thirty-eight billion, four hundred forty-nine million, seven hundred ninety-two thousand, five hundred".