1980453336 has 32 divisors (see below), whose sum is σ = 4952871360. Its totient is φ = 659919392.

The previous prime is 1980453313. The next prime is 1980453359. The reversal of 1980453336 is 6333540891.

It is an interprime number because it is at equal distance from previous prime (1980453313) and next prime (1980453359).

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, 63991 + ... + 89753.

It is an arithmetic number, because the mean of its divisors is an integer number (154777230).

Almost surely, 2^1980453336 is an apocalyptic number.

It is an amenable number.

1980453336 is an abundant number, since it is smaller than the sum of its proper divisors (2972418024).

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

1980453336 is a wasteful number, since it uses less digits than its factorization.

1980453336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28975 (or 28971 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 1980453336 is about 44502.2846155116. The cubic root of 1980453336 is about 1255.8030628923.

The spelling of 1980453336 in words is "one billion, nine hundred eighty million, four hundred fifty-three thousand, three hundred thirty-six".