1814976380 has 24 divisors (see below), whose sum is σ = 4355943648. Its totient is φ = 622277568.

The previous prime is 1814976367. The next prime is 1814976403. The reversal of 1814976380 is 836794181.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 6481919 + ... + 6482198.

It is an arithmetic number, because the mean of its divisors is an integer number (181497652).

Almost surely, 2^1814976380 is an apocalyptic number.

1814976380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1814976380 is an abundant number, since it is smaller than the sum of its proper divisors (2540967268).

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

1814976380 is a wasteful number, since it uses less digits than its factorization.

1814976380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964133 (or 12964131 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1814976380 is about 42602.5395956626. The cubic root of 1814976380 is about 1219.8047658563.

The spelling of 1814976380 in words is "one billion, eight hundred fourteen million, nine hundred seventy-six thousand, three hundred eighty".