409149744 has 40 divisors (see below), whose sum is σ = 1119147120. Its totient is φ = 128360448.

The previous prime is 409149739. The next prime is 409149779. The reversal of 409149744 is 447941904.

It is a junction number, because it is equal to n+sod(n) for n = 409149696 and 409149705.

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, 249889 + ... + 251520.

It is an arithmetic number, because the mean of its divisors is an integer number (27978678).

Almost surely, 2^409149744 is an apocalyptic number.

It is an amenable number.

409149744 is an abundant number, since it is smaller than the sum of its proper divisors (709997376).

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

409149744 is a wasteful number, since it uses less digits than its factorization.

409149744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501437 (or 501431 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 409149744 is about 20227.4502594865. The cubic root of 409149744 is about 742.3819907907.

It can be divided in two parts, 4091 and 49744, that added together give a palindrome (53835).

The spelling of 409149744 in words is "four hundred nine million, one hundred forty-nine thousand, seven hundred forty-four".