980259840 has 352 divisors, whose sum is σ = 3985263360. Its totient is φ = 223838208.

The previous prime is 980259829. The next prime is 980259851. The reversal of 980259840 is 48952089.

It is an interprime number because it is at equal distance from previous prime (980259829) and next prime (980259851).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967174 + ... + 968186.

Almost surely, 2^980259840 is an apocalyptic number.

980259840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980259840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992631680).

980259840 is an abundant number, since it is smaller than the sum of its proper divisors (3005003520).

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

980259840 is a wasteful number, since it uses less digits than its factorization.

980259840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 980259840 is about 31309.1015521046. The cubic root of 980259840 is about 993.3761683954.

The spelling of 980259840 in words is "nine hundred eighty million, two hundred fifty-nine thousand, eight hundred forty".