38704278540 has 96 divisors (see below), whose sum is σ = 108824264640. Its totient is φ = 10278163456.

The previous prime is 38704278527. The next prime is 38704278541. The reversal of 38704278540 is 4587240783.

It is a self number, because there is not a number n which added to its sum of digits gives 38704278540.

It is not an unprimeable number, because it can be changed into a prime (38704278541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23642602 + ... + 23644238.

It is an arithmetic number, because the mean of its divisors is an integer number (1133586090).

Almost surely, 2^38704278540 is an apocalyptic number.

38704278540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38704278540 is an abundant number, since it is smaller than the sum of its proper divisors (70119986100).

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

38704278540 is a wasteful number, since it uses less digits than its factorization.

38704278540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 38704278540 in words is "thirty-eight billion, seven hundred four million, two hundred seventy-eight thousand, five hundred forty".