405451130 has 32 divisors (see below), whose sum is σ = 870338304. Its totient is φ = 132967296.

The previous prime is 405451097. The next prime is 405451213. The reversal of 405451130 is 31154504.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 405451096 and 405451105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124307 + ... + 127526.

It is an arithmetic number, because the mean of its divisors is an integer number (27198072).

Almost surely, 2^405451130 is an apocalyptic number.

405451130 is an abundant number, since it is smaller than the sum of its proper divisors (464887174).

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

405451130 is a wasteful number, since it uses less digits than its factorization.

405451130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251870.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 405451130 is about 20135.8170929317. The cubic root of 405451130 is about 740.1382320291.

The spelling of 405451130 in words is "four hundred five million, four hundred fifty-one thousand, one hundred thirty".