38278586739240 has 96 divisors (see below), whose sum is σ = 130953059920800. Its totient is φ = 9670379806080.

The previous prime is 38278586739233. The next prime is 38278586739247. The reversal of 38278586739240 is 4293768587283.

38278586739240 is a `hidden beast` number, since 3 + 8 + 2 + 7 + 8 + 586 + 7 + 39 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (38278586739233) and next prime (38278586739247).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (38278586739247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2798135466 + ... + 2798149145.

It is an arithmetic number, because the mean of its divisors is an integer number (1364094374175).

Almost surely, 2^{38278586739240} is an apocalyptic number.

38278586739240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38278586739240 is an abundant number, since it is smaller than the sum of its proper divisors (92674473181560).

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

38278586739240 is a wasteful number, since it uses less digits than its factorization.

38278586739240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596284647 (or 5596284640 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 38278586739240 in words is "thirty-eight trillion, two hundred seventy-eight billion, five hundred eighty-six million, seven hundred thirty-nine thousand, two hundred forty".