405897098364 has 36 divisors (see below), whose sum is σ = 1026053093520. Its totient is φ = 135294360960.

The previous prime is 405897098357. The next prime is 405897098371. The reversal of 405897098364 is 463890798504.

405897098364 is a `hidden beast` number, since 40 + 5 + 89 + 70 + 98 + 364 = 666.

It is an interprime number because it is at equal distance from previous prime (405897098357) and next prime (405897098371).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955492 + ... + 1313300.

It is an arithmetic number, because the mean of its divisors is an integer number (28501474820).

Almost surely, 2^405897098364 is an apocalyptic number.

It is an amenable number.

405897098364 is an abundant number, since it is smaller than the sum of its proper divisors (620155995156).

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

405897098364 is a wasteful number, since it uses less digits than its factorization.

405897098364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389330 (or 389325 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 405897098364 in words is "four hundred five billion, eight hundred ninety-seven million, ninety-eight thousand, three hundred sixty-four".