980042000450 has 54 divisors (see below), whose sum is σ = 1834975325547. Its totient is φ = 389432344800.

The previous prime is 980042000393. The next prime is 980042000453. The reversal of 980042000450 is 54000240089.

It can be written as a sum of positive squares in 5 ways, for example, as 900025997809 + 80016002641 = 948697^2 + 282871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=700015.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980042000453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1337028284 + ... + 1337029016.

Almost surely, 2^980042000450 is an apocalyptic number.

980042000450 is a deficient number, since it is larger than the sum of its proper divisors (854933325097).

980042000450 is an frugal number, since it uses more digits than its factorization.

980042000450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Multiplying 980042000450 by its sum of digits (32), we get a square (31361344014400 = 5600120²).

The spelling of 980042000450 in words is "nine hundred eighty billion, forty-two million, four hundred fifty", and thus it is an aban number.