405800084898 has 64 divisors (see below), whose sum is σ = 971564630400. Its totient is φ = 124807677120.

The previous prime is 405800084797. The next prime is 405800084953. The reversal of 405800084898 is 898480008504.

405800084898 is a `hidden beast` number, since 405 + 80 + 0 + 0 + 84 + 89 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1518408 + ... + 1765548.

It is an arithmetic number, because the mean of its divisors is an integer number (15180697350).

Almost surely, 2^405800084898 is an apocalyptic number.

405800084898 is an abundant number, since it is smaller than the sum of its proper divisors (565764545502).

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

405800084898 is a wasteful number, since it uses less digits than its factorization.

405800084898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249504 (or 249498 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 405800084898 in words is "four hundred five billion, eight hundred million, eighty-four thousand, eight hundred ninety-eight".