1980454430 has 8 divisors (see below), whose sum is σ = 3564817992. Its totient is φ = 792181768.

The previous prime is 1980454429. The next prime is 1980454477. The reversal of 1980454430 is 344540891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99022712 + ... + 99022731.

It is an arithmetic number, because the mean of its divisors is an integer number (445602249).

Almost surely, 2^1980454430 is an apocalyptic number.

1980454430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980454430 is a deficient number, since it is larger than the sum of its proper divisors (1584363562).

1980454430 is a wasteful number, since it uses less digits than its factorization.

1980454430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198045450.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1980454430 is about 44502.2969070137. The cubic root of 1980454430 is about 1255.8032941270.

The spelling of 1980454430 in words is "one billion, nine hundred eighty million, four hundred fifty-four thousand, four hundred thirty".