405061104 has 40 divisors (see below), whose sum is σ = 1195895680. Its totient is φ = 115731648.

The previous prime is 405061079. The next prime is 405061121. The reversal of 405061104 is 401160504.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602434 + ... + 603105.

It is an arithmetic number, because the mean of its divisors is an integer number (29897392).

Almost surely, 2^405061104 is an apocalyptic number.

It is an amenable number.

405061104 is an abundant number, since it is smaller than the sum of its proper divisors (790834576).

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

405061104 is a wasteful number, since it uses less digits than its factorization.

405061104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205557 (or 1205551 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 405061104 is about 20126.1298813259. The cubic root of 405061104 is about 739.9008291743.

The spelling of 405061104 in words is "four hundred five million, sixty-one thousand, one hundred four".