38547492240 has 40 divisors (see below), whose sum is σ = 119497226688. Its totient is φ = 10279331200.

The previous prime is 38547492233. The next prime is 38547492241. The reversal of 38547492240 is 4229474583.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 38547492240.

It is not an unprimeable number, because it can be changed into a prime (38547492241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80307036 + ... + 80307515.

Almost surely, 2^38547492240 is an apocalyptic number.

38547492240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38547492240 is an abundant number, since it is smaller than the sum of its proper divisors (80949734448).

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

38547492240 is a wasteful number, since it uses less digits than its factorization.

38547492240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160614567 (or 160614561 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 38547492240 in words is "thirty-eight billion, five hundred forty-seven million, four hundred ninety-two thousand, two hundred forty".