1409992920 has 768 divisors, whose sum is σ = 6113802240. Its totient is φ = 284663808.

The previous prime is 1409992901. The next prime is 1409992921. The reversal of 1409992920 is 292999041.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409992921) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26603614 + ... + 26603666.

It is an arithmetic number, because the mean of its divisors is an integer number (7960680).

Almost surely, 2^1409992920 is an apocalyptic number.

1409992920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409992920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3056901120).

1409992920 is an abundant number, since it is smaller than the sum of its proper divisors (4703809320).

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

1409992920 is a wasteful number, since it uses less digits than its factorization.

1409992920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1409992920 is about 37549.8724365343. The cubic root of 1409992920 is about 1121.3442935879.

The spelling of 1409992920 in words is "one billion, four hundred nine million, nine hundred ninety-two thousand, nine hundred twenty".