4447401880 has 32 divisors (see below), whose sum is σ = 10025907840. Its totient is φ = 1775537920.

The previous prime is 4447401863. The next prime is 4447401899. The reversal of 4447401880 is 881047444.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85864 + ... + 127543.

It is an arithmetic number, because the mean of its divisors is an integer number (313309620).

Almost surely, 2^4447401880 is an apocalyptic number.

4447401880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4447401880 is an abundant number, since it is smaller than the sum of its proper divisors (5578505960).

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

4447401880 is a wasteful number, since it uses less digits than its factorization.

4447401880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213939 (or 213935 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 4447401880 is about 66688.8437446624. The cubic root of 4447401880 is about 1644.5059851912.

The spelling of 4447401880 in words is "four billion, four hundred forty-seven million, four hundred one thousand, eight hundred eighty".