38278861380 has 72 divisors (see below), whose sum is σ = 119858129664. Its totient is φ = 9878414400.

The previous prime is 38278861367. The next prime is 38278861391. The reversal of 38278861380 is 8316887283.

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, 3424426 + ... + 3435585.

Almost surely, 2^38278861380 is an apocalyptic number.

38278861380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38278861380 is an abundant number, since it is smaller than the sum of its proper divisors (81579268284).

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

38278861380 is a wasteful number, since it uses less digits than its factorization.

38278861380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860057 (or 6860052 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 38278861380 in words is "thirty-eight billion, two hundred seventy-eight million, eight hundred sixty-one thousand, three hundred eighty".