5407644672 has 176 divisors, whose sum is σ = 16091385120. Its totient is φ = 1793949696.

The previous prime is 5407644667. The next prime is 5407644673. The reversal of 5407644672 is 2764467045.

5407644672 is a `hidden beast` number, since 540 + 7 + 6 + 44 + 67 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5407644673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8764108 + ... + 8764724.

Almost surely, 2^5407644672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5407644672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8045692560).

5407644672 is an abundant number, since it is smaller than the sum of its proper divisors (10683740448).

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

5407644672 is a wasteful number, since it uses less digits than its factorization.

5407644672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 5407644672 is about 73536.6892918086. The cubic root of 5407644672 is about 1755.2381472430.

The spelling of 5407644672 in words is "five billion, four hundred seven million, six hundred forty-four thousand, six hundred seventy-two".