1404992680 has 192 divisors, whose sum is σ = 4024218240. Its totient is φ = 437488128.

The previous prime is 1404992671. The next prime is 1404992713. The reversal of 1404992680 is 862994041.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1706749 + ... + 1707571.

It is an arithmetic number, because the mean of its divisors is an integer number (20959470).

Almost surely, 2^1404992680 is an apocalyptic number.

1404992680 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 1404992680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012109120).

1404992680 is an abundant number, since it is smaller than the sum of its proper divisors (2619225560).

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

1404992680 is a wasteful number, since it uses less digits than its factorization.

1404992680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1404992680 is about 37483.2319844487. The cubic root of 1404992680 is about 1120.0171872362.

The spelling of 1404992680 in words is "one billion, four hundred four million, nine hundred ninety-two thousand, six hundred eighty".