1980902924 has 48 divisors (see below), whose sum is σ = 4654438656. Its totient is φ = 712411200.

The previous prime is 1980902897. The next prime is 1980902927. The reversal of 1980902924 is 4292090891.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1980902927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243362 + ... + 251369.

It is an arithmetic number, because the mean of its divisors is an integer number (96967472).

Almost surely, 2^1980902924 is an apocalyptic number.

1980902924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1980902924 is an abundant number, since it is smaller than the sum of its proper divisors (2673535732).

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

1980902924 is a wasteful number, since it uses less digits than its factorization.

1980902924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494766 (or 494764 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1980902924 is about 44507.3356200975. The cubic root of 1980902924 is about 1255.8980834379.

The spelling of 1980902924 in words is "one billion, nine hundred eighty million, nine hundred two thousand, nine hundred twenty-four".