38994462240 has 96 divisors (see below), whose sum is σ = 123959626560. Its totient is φ = 10303110144.

The previous prime is 38994462217. The next prime is 38994462277. The reversal of 38994462240 is 4226449983.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320334 + ... + 424973.

It is an arithmetic number, because the mean of its divisors is an integer number (1291246110).

Almost surely, 2^38994462240 is an apocalyptic number.

38994462240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38994462240 is an abundant number, since it is smaller than the sum of its proper divisors (84965164320).

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

38994462240 is a wasteful number, since it uses less digits than its factorization.

38994462240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745434 (or 745426 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 38994462240 in words is "thirty-eight billion, nine hundred ninety-four million, four hundred sixty-two thousand, two hundred forty".