42402442194 has 64 divisors (see below), whose sum is σ = 107732762880. Its totient is φ = 12110031360.

The previous prime is 42402442193. The next prime is 42402442237. The reversal of 42402442194 is 49124420424.

42402442194 is a `hidden beast` number, since 4 + 24 + 0 + 2 + 442 + 194 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42402442193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 958524 + ... + 1001784.

It is an arithmetic number, because the mean of its divisors is an integer number (1683324420).

Almost surely, 2^42402442194 is an apocalyptic number.

42402442194 is an abundant number, since it is smaller than the sum of its proper divisors (65330320686).

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

42402442194 is a wasteful number, since it uses less digits than its factorization.

42402442194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45872 (or 45866 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 42402442194 in words is "forty-two billion, four hundred two million, four hundred forty-two thousand, one hundred ninety-four".