42144432426 has 48 divisors (see below), whose sum is σ = 95125605120. Its totient is φ = 13473195840.

The previous prime is 42144432371. The next prime is 42144432469. The reversal of 42144432426 is 62423444124.

42144432426 is a `hidden beast` number, since 4 + 214 + 4 + 432 + 4 + 2 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440410 + ... + 527493.

It is an arithmetic number, because the mean of its divisors is an integer number (1981783440).

Almost surely, 2^42144432426 is an apocalyptic number.

42144432426 is an abundant number, since it is smaller than the sum of its proper divisors (52981172694).

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

42144432426 is a wasteful number, since it uses less digits than its factorization.

42144432426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968011 (or 968008 counting only the distinct ones).

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

The spelling of 42144432426 in words is "forty-two billion, one hundred forty-four million, four hundred thirty-two thousand, four hundred twenty-six".