42446620044 has 36 divisors (see below), whose sum is σ = 108006203760. Its totient is φ = 14055170400.

The previous prime is 42446620043. The next prime is 42446620067. The reversal of 42446620044 is 44002664424.

42446620044 is a `hidden beast` number, since 4 + 2 + 446 + 6 + 200 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42446619990 and 42446620008.

It is not an unprimeable number, because it can be changed into a prime (42446620043) 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, 3898779 + ... + 3909650.

Almost surely, 2^42446620044 is an apocalyptic number.

It is an amenable number.

42446620044 is an abundant number, since it is smaller than the sum of its proper divisors (65559583716).

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

42446620044 is a wasteful number, since it uses less digits than its factorization.

42446620044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808590 (or 7808585 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 42446620044 in words is "forty-two billion, four hundred forty-six million, six hundred twenty thousand, forty-four".