84497940240 has 160 divisors (see below), whose sum is σ = 305473900800. Its totient is φ = 19313796096.

The previous prime is 84497940223. The next prime is 84497940271. The reversal of 84497940240 is 4204979448.

It is a super-2 number, since 2×84497940240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430909 + ... + 595548.

It is an arithmetic number, because the mean of its divisors is an integer number (1909211880).

Almost surely, 2^84497940240 is an apocalyptic number.

84497940240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84497940240 is an abundant number, since it is smaller than the sum of its proper divisors (220975960560).

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

84497940240 is a wasteful number, since it uses less digits than its factorization.

84497940240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026494 (or 1026474 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 84497940240 in words is "eighty-four billion, four hundred ninety-seven million, nine hundred forty thousand, two hundred forty".