38633711490 has 48 divisors (see below), whose sum is σ = 109579257216. Its totient is φ = 9365748000.

The previous prime is 38633711447. The next prime is 38633711621. The reversal of 38633711490 is 9411733683.

38633711490 is a `hidden beast` number, since 3 + 8 + 633 + 7 + 1 + 1 + 4 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19510986 + ... + 19512965.

It is an arithmetic number, because the mean of its divisors is an integer number (2282901192).

Almost surely, 2^38633711490 is an apocalyptic number.

38633711490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38633711490 is an abundant number, since it is smaller than the sum of its proper divisors (70945545726).

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

38633711490 is a wasteful number, since it uses less digits than its factorization.

38633711490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39023975 (or 39023972 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 38633711490 in words is "thirty-eight billion, six hundred thirty-three million, seven hundred eleven thousand, four hundred ninety".