42404222644 has 12 divisors (see below), whose sum is σ = 84808445344. Its totient is φ = 18173238264.

The previous prime is 42404222611. The next prime is 42404222657. The reversal of 42404222644 is 44622240424.

42404222644 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757218234 + ... + 757218289.

Almost surely, 2^42404222644 is an apocalyptic number.

It is an amenable number.

42404222644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42404222644 is a wasteful number, since it uses less digits than its factorization.

42404222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514436534 (or 1514436532 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

The spelling of 42404222644 in words is "forty-two billion, four hundred four million, two hundred twenty-two thousand, six hundred forty-four".