980423040 has 192 divisors, whose sum is σ = 3220454160. Its totient is φ = 253698048.

The previous prime is 980423033. The next prime is 980423053. The reversal of 980423040 is 40324089.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×980423040² = 1922458674725683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 980422989 and 980423007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2628294 + ... + 2628666.

Almost surely, 2^980423040 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 980423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610227080).

980423040 is an abundant number, since it is smaller than the sum of its proper divisors (2240031120).

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

980423040 is a wasteful number, since it uses less digits than its factorization.

980423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 980423040 is about 31311.7077145275. The cubic root of 980423040 is about 993.4312932334.

The spelling of 980423040 in words is "nine hundred eighty million, four hundred twenty-three thousand, forty".