1409037568 has 72 divisors (see below), whose sum is σ = 2985221120. Its totient is φ = 661893120.

The previous prime is 1409037559. The next prime is 1409037599. The reversal of 1409037568 is 8657309041.

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, 616588 + ... + 618868.

Almost surely, 2^1409037568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409037568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492610560).

1409037568 is an abundant number, since it is smaller than the sum of its proper divisors (1576183552).

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

1409037568 is a wasteful number, since it uses less digits than its factorization.

1409037568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1409037568 is about 37537.1491725197. The cubic root of 1409037568 is about 1121.0909777637.

The spelling of 1409037568 in words is "one billion, four hundred nine million, thirty-seven thousand, five hundred sixty-eight".