40447861461364 has 48 divisors (see below), whose sum is σ = 86891216944000. Its totient is φ = 16422439981248.

The previous prime is 40447861461349. The next prime is 40447861461377. The reversal of 40447861461364 is 46316416874404.

It is a junction number, because it is equal to n+sod(n) for n = 40447861461299 and 40447861461308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775788369 + ... + 775840504.

Almost surely, 2^{40447861461364} is an apocalyptic number.

It is an amenable number.

40447861461364 is an abundant number, since it is smaller than the sum of its proper divisors (46443355482636).

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

40447861461364 is a wasteful number, since it uses less digits than its factorization.

40447861461364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551628917 (or 1551628901 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 58.

The spelling of 40447861461364 in words is "forty trillion, four hundred forty-seven billion, eight hundred sixty-one million, four hundred sixty-one thousand, three hundred sixty-four".