42142626646 has 8 divisors (see below), whose sum is σ = 66932407080. Its totient is φ = 19831824288.

The previous prime is 42142626641. The next prime is 42142626653. The reversal of 42142626646 is 64662624124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142626641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619744476 + ... + 619744543.

It is an arithmetic number, because the mean of its divisors is an integer number (8366550885).

Almost surely, 2^42142626646 is an apocalyptic number.

42142626646 is a deficient number, since it is larger than the sum of its proper divisors (24789780434).

42142626646 is a wasteful number, since it uses less digits than its factorization.

42142626646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239489038.

The product of its digits is 663552, while the sum is 43.

The spelling of 42142626646 in words is "forty-two billion, one hundred forty-two million, six hundred twenty-six thousand, six hundred forty-six".