1409811620 has 48 divisors (see below), whose sum is σ = 3421595520. Its totient is φ = 477928704.

The previous prime is 1409811593. The next prime is 1409811653. The reversal of 1409811620 is 261189041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44114 + ... + 69033.

It is an arithmetic number, because the mean of its divisors is an integer number (71283240).

Almost surely, 2^1409811620 is an apocalyptic number.

1409811620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409811620 is an abundant number, since it is smaller than the sum of its proper divisors (2011783900).

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

1409811620 is a wasteful number, since it uses less digits than its factorization.

1409811620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113252 (or 113250 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1409811620 is about 37547.4582362109. The cubic root of 1409811620 is about 1121.2962298868.

The spelling of 1409811620 in words is "one billion, four hundred nine million, eight hundred eleven thousand, six hundred twenty".