4460721944 has 16 divisors (see below), whose sum is σ = 9558690000. Its totient is φ = 1911737952.

The previous prime is 4460721943. The next prime is 4460721983. The reversal of 4460721944 is 4491270644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4460721943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39827819 + ... + 39827930.

It is an arithmetic number, because the mean of its divisors is an integer number (597418125).

Almost surely, 2^4460721944 is an apocalyptic number.

It is an amenable number.

4460721944 is an abundant number, since it is smaller than the sum of its proper divisors (5097968056).

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

4460721944 is a wasteful number, since it uses less digits than its factorization.

4460721944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79655762 (or 79655758 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 4460721944 is about 66788.6363388264. The cubic root of 4460721944 is about 1646.1461257573.

The spelling of 4460721944 in words is "four billion, four hundred sixty million, seven hundred twenty-one thousand, nine hundred forty-four".