42371247642 has 16 divisors (see below), whose sum is σ = 85616130432. Its totient is φ = 13978143360.

The previous prime is 42371247631. The next prime is 42371247647. The reversal of 42371247642 is 24674217324.

It is a junction number, because it is equal to n+sod(n) for n = 42371247594 and 42371247603.

It is not an unprimeable number, because it can be changed into a prime (42371247647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36400834 + ... + 36401997.

It is an arithmetic number, because the mean of its divisors is an integer number (5351008152).

Almost surely, 2^42371247642 is an apocalyptic number.

42371247642 is an abundant number, since it is smaller than the sum of its proper divisors (43244882790).

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

42371247642 is a wasteful number, since it uses less digits than its factorization.

42371247642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72802933.

The product of its digits is 451584, while the sum is 42.

The spelling of 42371247642 in words is "forty-two billion, three hundred seventy-one million, two hundred forty-seven thousand, six hundred forty-two".