38894994480 has 80 divisors (see below), whose sum is σ = 120608468064. Its totient is φ = 10369075200.

The previous prime is 38894994427. The next prime is 38894994493. The reversal of 38894994480 is 8449949883.

It is a tau number, because it is divible by the number of its divisors (80).

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, 909580 + ... + 951380.

Almost surely, 2^38894994480 is an apocalyptic number.

38894994480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38894994480 is an abundant number, since it is smaller than the sum of its proper divisors (81713473584).

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

38894994480 is a wasteful number, since it uses less digits than its factorization.

38894994480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45694 (or 45688 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 66.

The spelling of 38894994480 in words is "thirty-eight billion, eight hundred ninety-four million, nine hundred ninety-four thousand, four hundred eighty".