441297776640 has 416 divisors, whose sum is σ = 1617033931776. Its totient is φ = 100659363840.

The previous prime is 441297776639. The next prime is 441297776657. The reversal of 441297776640 is 46677792144.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319548750 + ... + 319550130.

Almost surely, 2^441297776640 is an apocalyptic number.

441297776640 is a gapful number since it is divisible by the number (40) 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 441297776640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808516965888).

441297776640 is an abundant number, since it is smaller than the sum of its proper divisors (1175736155136).

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

441297776640 is a wasteful number, since it uses less digits than its factorization.

441297776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 441297776640 in words is "four hundred forty-one billion, two hundred ninety-seven million, seven hundred seventy-six thousand, six hundred forty".