7990337448 has 128 divisors (see below), whose sum is σ = 23454720000. Its totient is φ = 2515271616.

The previous prime is 7990337441. The next prime is 7990337489. The reversal of 7990337448 is 8447330997.

It is a super-2 number, since 2×7990337448² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7990337394 and 7990337403.

It is not an unprimeable number, because it can be changed into a prime (7990337441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382293 + ... + 402651.

It is an arithmetic number, because the mean of its divisors is an integer number (183240000).

Almost surely, 2^7990337448 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 7990337448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11727360000).

7990337448 is an abundant number, since it is smaller than the sum of its proper divisors (15464382552).

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

7990337448 is a wasteful number, since it uses less digits than its factorization.

7990337448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476 (or 20466 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 7990337448 is about 89388.6874721852. The cubic root of 7990337448 is about 1999.1944629319.

The spelling of 7990337448 in words is "seven billion, nine hundred ninety million, three hundred thirty-seven thousand, four hundred forty-eight".