9457319840 has 24 divisors (see below), whose sum is σ = 22342918500. Its totient is φ = 3782927872.

The previous prime is 9457319813. The next prime is 9457319857. The reversal of 9457319840 is 489137549.

It can be written as a sum of positive squares in 2 ways, for example, as 9309162256 + 148157584 = 96484^2 + 12172^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29553965 + ... + 29554284.

Almost surely, 2^9457319840 is an apocalyptic number.

It is an amenable number.

9457319840 is an abundant number, since it is smaller than the sum of its proper divisors (12885598660).

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

9457319840 is a wasteful number, since it uses less digits than its factorization.

9457319840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59108264 (or 59108256 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 9457319840 is about 97248.7523827427. The cubic root of 9457319840 is about 2114.7353528030.

The spelling of 9457319840 in words is "nine billion, four hundred fifty-seven million, three hundred nineteen thousand, eight hundred forty".