5456200644 has 36 divisors (see below), whose sum is σ = 13794384240. Its totient is φ = 1818427440.

The previous prime is 5456200637. The next prime is 5456200669. The reversal of 5456200644 is 4460026545.

5456200644 is a `hidden beast` number, since 5 + 4 + 5 + 6 + 2 + 0 + 0 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×5456200644³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5456200599 and 5456200608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331039 + ... + 347129.

It is an arithmetic number, because the mean of its divisors is an integer number (383177340).

Almost surely, 2^5456200644 is an apocalyptic number.

It is an amenable number.

5456200644 is an abundant number, since it is smaller than the sum of its proper divisors (8338183596).

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

5456200644 is a wasteful number, since it uses less digits than its factorization.

5456200644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520 (or 25515 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 5456200644 is about 73866.0994232131. The cubic root of 5456200644 is about 1760.4760080418.

The spelling of 5456200644 in words is "five billion, four hundred fifty-six million, two hundred thousand, six hundred forty-four".