409380054 has 16 divisors (see below), whose sum is σ = 829125120. Its totient is φ = 134732520.

The previous prime is 409380053. The next prime is 409380067. The reversal of 409380054 is 450083904.

It is a super-2 number, since 2×409380054² = 335184057226085832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 409379997 and 409380024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409380053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431362 + ... + 432309.

It is an arithmetic number, because the mean of its divisors is an integer number (51820320).

Almost surely, 2^409380054 is an apocalyptic number.

409380054 is an abundant number, since it is smaller than the sum of its proper divisors (419745066).

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

409380054 is a wasteful number, since it uses less digits than its factorization.

409380054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863755.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 409380054 is about 20233.1424647779. The cubic root of 409380054 is about 742.5212600336.

The spelling of 409380054 in words is "four hundred nine million, three hundred eighty thousand, fifty-four".