36446402477646 has 24 divisors (see below), whose sum is σ = 90248234706864. Its totient is φ = 10413257850720.

The previous prime is 36446402477633. The next prime is 36446402477647. The reversal of 36446402477646 is 64677420464463.

36446402477646 is a `hidden beast` number, since 3 + 6 + 44 + 64 + 0 + 2 + 477 + 64 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36446402477647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144628581135 + ... + 144628581386.

It is an arithmetic number, because the mean of its divisors is an integer number (3760343112786).

Almost surely, 2^{36446402477646} is an apocalyptic number.

36446402477646 is an abundant number, since it is smaller than the sum of its proper divisors (53801832229218).

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

36446402477646 is a wasteful number, since it uses less digits than its factorization.

36446402477646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289257162536 (or 289257162533 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 63.

The spelling of 36446402477646 in words is "thirty-six trillion, four hundred forty-six billion, four hundred two million, four hundred seventy-seven thousand, six hundred forty-six".