7983450240 has 256 divisors, whose sum is σ = 27072040320. Its totient is φ = 1994194944.

The previous prime is 7983450193. The next prime is 7983450253. The reversal of 7983450240 is 420543897.

It is a junction number, because it is equal to n+sod(n) for n = 7983450192 and 7983450201.

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, 9040839 + ... + 9041721.

Almost surely, 2^7983450240 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 7983450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13536020160).

7983450240 is an abundant number, since it is smaller than the sum of its proper divisors (19088590080).

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

7983450240 is a wasteful number, since it uses less digits than its factorization.

7983450240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 7983450240 is about 89350.1552320979. The cubic root of 7983450240 is about 1998.6199012161.

The spelling of 7983450240 in words is "seven billion, nine hundred eighty-three million, four hundred fifty thousand, two hundred forty".