409041654 has 64 divisors (see below), whose sum is σ = 949363200. Its totient is φ = 115084800.

The previous prime is 409041601. The next prime is 409041713. The reversal of 409041654 is 456140904.

It is a Curzon number.

It is a congruent number.

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, 1019854 + ... + 1020254.

It is an arithmetic number, because the mean of its divisors is an integer number (14833800).

Almost surely, 2^409041654 is an apocalyptic number.

409041654 is an abundant number, since it is smaller than the sum of its proper divisors (540321546).

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

409041654 is a wasteful number, since it uses less digits than its factorization.

409041654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

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

The square root of 409041654 is about 20224.7782188087. The cubic root of 409041654 is about 742.3166103785.

The spelling of 409041654 in words is "four hundred nine million, forty-one thousand, six hundred fifty-four".