1409572644 has 24 divisors (see below), whose sum is σ = 3303125280. Its totient is φ = 467840064.

The previous prime is 1409572639. The next prime is 1409572657. The reversal of 1409572644 is 4462759041.

It is a junction number, because it is equal to n+sod(n) for n = 1409572596 and 1409572605.

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, 249274 + ... + 254865.

It is an arithmetic number, because the mean of its divisors is an integer number (137630220).

Almost surely, 2^1409572644 is an apocalyptic number.

It is an amenable number.

1409572644 is an abundant number, since it is smaller than the sum of its proper divisors (1893552636).

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

1409572644 is a wasteful number, since it uses less digits than its factorization.

1409572644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504379 (or 504377 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1409572644 is about 37544.2757820683. The cubic root of 1409572644 is about 1121.2328696416.

The spelling of 1409572644 in words is "one billion, four hundred nine million, five hundred seventy-two thousand, six hundred forty-four".