980451888 has 40 divisors (see below), whose sum is σ = 2727669168. Its totient is φ = 301677312.

The previous prime is 980451883. The next prime is 980451893. The reversal of 980451888 is 888154089.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (980451883) and next prime (980451893).

It is a super-2 number, since 2×980451888² = 1922571809365529088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 980451888.

It is not an unprimeable number, because it can be changed into a prime (980451881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784995 + ... + 786242.

Almost surely, 2^980451888 is an apocalyptic number.

It is an amenable number.

980451888 is an abundant number, since it is smaller than the sum of its proper divisors (1747217280).

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

980451888 is a wasteful number, since it uses less digits than its factorization.

980451888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571261 (or 1571255 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The square root of 980451888 is about 31312.1683695013. The cubic root of 980451888 is about 993.4410367229.

The spelling of 980451888 in words is "nine hundred eighty million, four hundred fifty-one thousand, eight hundred eighty-eight".