5618696440 has 32 divisors (see below), whose sum is σ = 14448077280. Its totient is φ = 1926410112.

The previous prime is 5618696417. The next prime is 5618696449. The reversal of 5618696440 is 446968165.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618696449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10033107 + ... + 10033666.

It is an arithmetic number, because the mean of its divisors is an integer number (451502415).

Almost surely, 2^5618696440 is an apocalyptic number.

It is an amenable number.

5618696440 is an abundant number, since it is smaller than the sum of its proper divisors (8829380840).

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

5618696440 is a wasteful number, since it uses less digits than its factorization.

5618696440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066791 (or 20066787 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 5618696440 is about 74957.9644867709. The cubic root of 5618696440 is about 1777.7820753310.

The spelling of 5618696440 in words is "five billion, six hundred eighteen million, six hundred ninety-six thousand, four hundred forty".