38501445280 has 48 divisors (see below), whose sum is σ = 90985665960. Its totient is φ = 15396175872.

The previous prime is 38501445253. The next prime is 38501445287. The reversal of 38501445280 is 8254410583.

It can be written as a sum of positive squares in 4 ways, for example, as 34140691984 + 4360753296 = 184772^2 + 66036^2 .

It is a super-2 number, since 2×38501445280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (38501445287) 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, 558976 + ... + 624064.

Almost surely, 2^38501445280 is an apocalyptic number.

It is an amenable number.

38501445280 is an abundant number, since it is smaller than the sum of its proper divisors (52484220680).

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

38501445280 is a wasteful number, since it uses less digits than its factorization.

38501445280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68801 (or 68793 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 38501445280 in words is "thirty-eight billion, five hundred one million, four hundred forty-five thousand, two hundred eighty".