42144426654 has 64 divisors (see below), whose sum is σ = 96254853120. Its totient is φ = 12184956000.

The previous prime is 42144426629. The next prime is 42144426689. The reversal of 42144426654 is 45662444124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207 + ... + 290325.

It is an arithmetic number, because the mean of its divisors is an integer number (1503982080).

Almost surely, 2^42144426654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42144426654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48127426560).

42144426654 is an abundant number, since it is smaller than the sum of its proper divisors (54110426466).

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

42144426654 is a wasteful number, since it uses less digits than its factorization.

42144426654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290237.

The product of its digits is 737280, while the sum is 42.

The spelling of 42144426654 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-six thousand, six hundred fifty-four".