5499634644 has 120 divisors (see below), whose sum is σ = 16452453248. Its totient is φ = 1569274560.

The previous prime is 5499634561. The next prime is 5499634661. The reversal of 5499634644 is 4464369945.

5499634644 is a `hidden beast` number, since 549 + 9 + 6 + 34 + 64 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2954274 + ... + 2956134.

Almost surely, 2^5499634644 is an apocalyptic number.

5499634644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5499634644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8226226624).

5499634644 is an abundant number, since it is smaller than the sum of its proper divisors (10952818604).

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

5499634644 is a wasteful number, since it uses less digits than its factorization.

5499634644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3176 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The square root of 5499634644 is about 74159.5216003987. The cubic root of 5499634644 is about 1765.1350809204.

The spelling of 5499634644 in words is "five billion, four hundred ninety-nine million, six hundred thirty-four thousand, six hundred forty-four".