84932528040 has 48 divisors (see below), whose sum is σ = 276030717300. Its totient is φ = 22648674048.

The previous prime is 84932528017. The next prime is 84932528041. The reversal of 84932528040 is 4082523948.

84932528040 is a `hidden beast` number, since 8 + 4 + 9 + 325 + 280 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71317838916 + 13614689124 = 267054^2 + 116682^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84932528041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117961485 + ... + 117962204.

Almost surely, 2^84932528040 is an apocalyptic number.

It is an amenable number.

84932528040 is an abundant number, since it is smaller than the sum of its proper divisors (191098189260).

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

84932528040 is a wasteful number, since it uses less digits than its factorization.

84932528040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235923706 (or 235923699 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 84932528040 in words is "eighty-four billion, nine hundred thirty-two million, five hundred twenty-eight thousand, forty".