405400354530 has 64 divisors (see below), whose sum is σ = 1006680528000. Its totient is φ = 104361384960.

The previous prime is 405400354519. The next prime is 405400354547. The reversal of 405400354530 is 35453004504.

It is a junction number, because it is equal to n+sod(n) for n = 405400354491 and 405400354500.

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, 5602521 + ... + 5674419.

It is an arithmetic number, because the mean of its divisors is an integer number (15729383250).

Almost surely, 2^405400354530 is an apocalyptic number.

405400354530 is an abundant number, since it is smaller than the sum of its proper divisors (601280173470).

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

405400354530 is a wasteful number, since it uses less digits than its factorization.

405400354530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78419.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 405400354530 in words is "four hundred five billion, four hundred million, three hundred fifty-four thousand, five hundred thirty".