1409099888 has 80 divisors (see below), whose sum is σ = 3294432000. Its totient is φ = 570364416.

The previous prime is 1409099833. The next prime is 1409099911. The reversal of 1409099888 is 8889909041.

It is a super-2 number, since 2×1409099888² = 3971124988723225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 869543 + ... + 871161.

It is an arithmetic number, because the mean of its divisors is an integer number (41180400).

Almost surely, 2^1409099888 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 1409099888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647216000).

1409099888 is an abundant number, since it is smaller than the sum of its proper divisors (1885332112).

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

1409099888 is a wasteful number, since it uses less digits than its factorization.

1409099888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 56.

The square root of 1409099888 is about 37537.9792743296. The cubic root of 1409099888 is about 1121.1075056788.

The spelling of 1409099888 in words is "one billion, four hundred nine million, ninety-nine thousand, eight hundred eighty-eight".