980856240 has 320 divisors, whose sum is σ = 3789090816. Its totient is φ = 204374016.

The previous prime is 980856223. The next prime is 980856269. The reversal of 980856240 is 42658089.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 980856192 and 980856201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2118249 + ... + 2118711.

Almost surely, 2^980856240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980856240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894545408).

980856240 is an abundant number, since it is smaller than the sum of its proper divisors (2808234576).

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

980856240 is a wasteful number, since it uses less digits than its factorization.

980856240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 980856240 is about 31318.6244908680. The cubic root of 980856240 is about 993.5775875880.

The spelling of 980856240 in words is "nine hundred eighty million, eight hundred fifty-six thousand, two hundred forty".