40447445882880 has 384 divisors, whose sum is σ = 130318518133440. Its totient is φ = 10709544468480.

The previous prime is 40447445882867. The next prime is 40447445882897. The reversal of 40447445882880 is 8828854474404.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

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, 10326126682 + ... + 10326130598.

Almost surely, 2^{40447445882880} is an apocalyptic number.

40447445882880 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 40447445882880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65159259066720).

40447445882880 is an abundant number, since it is smaller than the sum of its proper divisors (89871072250560).

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

40447445882880 is a wasteful number, since it uses less digits than its factorization.

40447445882880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6225 counting only the distinct ones).

The product of its (nonzero) digits is 293601280, while the sum is 66.

The spelling of 40447445882880 in words is "forty trillion, four hundred forty-seven billion, four hundred forty-five million, eight hundred eighty-two thousand, eight hundred eighty".