441161541440 has 56 divisors (see below), whose sum is σ = 1051429496832. Its totient is φ = 176311155200.

The previous prime is 441161541439. The next prime is 441161541449. The reversal of 441161541440 is 44145161144.

It is a self number, because there is not a number n which added to its sum of digits gives 441161541440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441161541449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230564 + ... + 967203.

Almost surely, 2^441161541440 is an apocalyptic number.

441161541440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441161541440 is an abundant number, since it is smaller than the sum of its proper divisors (610267955392).

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

441161541440 is a wasteful number, since it uses less digits than its factorization.

441161541440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198935 (or 1198925 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 441161541440 in words is "four hundred forty-one billion, one hundred sixty-one million, five hundred forty-one thousand, four hundred forty".