5421044772 has 384 divisors, whose sum is σ = 17401036800. Its totient is φ = 1445558400.

The previous prime is 5421044771. The next prime is 5421044773. The reversal of 5421044772 is 2774401245.

5421044772 is a `hidden beast` number, since 542 + 1 + 0 + 4 + 47 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (5421044771) and next prime (5421044773).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421044771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 80911083 + ... + 80911149.

It is an arithmetic number, because the mean of its divisors is an integer number (45315200).

Almost surely, 2^5421044772 is an apocalyptic number.

5421044772 is a gapful number since it is divisible by the number (52) 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 5421044772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8700518400).

5421044772 is an abundant number, since it is smaller than the sum of its proper divisors (11979992028).

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

5421044772 is a wasteful number, since it uses less digits than its factorization.

5421044772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 5421044772 is about 73627.7445804229. The cubic root of 5421044772 is about 1756.6867733433.

The spelling of 5421044772 in words is "five billion, four hundred twenty-one million, forty-four thousand, seven hundred seventy-two".