84400848040 has 32 divisors (see below), whose sum is σ = 189916047360. Its totient is φ = 33757825600.

The previous prime is 84400848011. The next prime is 84400848041. The reversal of 84400848040 is 4084800448.

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

It is a junction number, because it is equal to n+sod(n) for n = 84400847984 and 84400848002.

It is not an unprimeable number, because it can be changed into a prime (84400848041) 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, 522105 + ... + 664375.

It is an arithmetic number, because the mean of its divisors is an integer number (5934876480).

Almost surely, 2^84400848040 is an apocalyptic number.

It is an amenable number.

84400848040 is an abundant number, since it is smaller than the sum of its proper divisors (105515199320).

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

84400848040 is a wasteful number, since it uses less digits than its factorization.

84400848040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157113 (or 157109 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 84400848040 in words is "eighty-four billion, four hundred million, eight hundred forty-eight thousand, forty".