5340322640 has 20 divisors (see below), whose sum is σ = 12416250324. Its totient is φ = 2136129024.

The previous prime is 5340322613. The next prime is 5340322651. The reversal of 5340322640 is 462230435.

It can be written as a sum of positive squares in 2 ways, for example, as 3395159824 + 1945162816 = 58268^2 + 44104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 33376937 + ... + 33377096.

Almost surely, 2^5340322640 is an apocalyptic number.

It is an amenable number.

5340322640 is an abundant number, since it is smaller than the sum of its proper divisors (7075927684).

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

5340322640 is a wasteful number, since it uses less digits than its factorization.

5340322640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66754046 (or 66754040 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 5340322640 is about 73077.5111782004. The cubic root of 5340322640 is about 1747.9238115393.

The spelling of 5340322640 in words is "five billion, three hundred forty million, three hundred twenty-two thousand, six hundred forty".