405848673954 has 48 divisors (see below), whose sum is σ = 883380830904. Its totient is φ = 134661542400.

The previous prime is 405848673931. The next prime is 405848673961. The reversal of 405848673954 is 459376848504.

405848673954 is a `hidden beast` number, since 40 + 584 + 8 + 6 + 7 + 3 + 9 + 5 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 356197693329 + 49650980625 = 596823^2 + 222825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 405848673891 and 405848673900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10309132 + ... + 10348424.

Almost surely, 2^405848673954 is an apocalyptic number.

405848673954 is an abundant number, since it is smaller than the sum of its proper divisors (477532156950).

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

405848673954 is a wasteful number, since it uses less digits than its factorization.

405848673954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41923 (or 41920 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 405848673954 in words is "four hundred five billion, eight hundred forty-eight million, six hundred seventy-three thousand, nine hundred fifty-four".