84045637400 has 72 divisors (see below), whose sum is σ = 206232107220. Its totient is φ = 31848845760.

The previous prime is 84045637387. The next prime is 84045637421. The reversal of 84045637400 is 473654048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 509834 + ... + 654233.

Almost surely, 2^84045637400 is an apocalyptic number.

It is an amenable number.

84045637400 is an abundant number, since it is smaller than the sum of its proper divisors (122186469820).

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

84045637400 is a wasteful number, since it uses less digits than its factorization.

84045637400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164121 (or 1164093 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 84045637400 in words is "eighty-four billion, forty-five million, six hundred thirty-seven thousand, four hundred".