42972082238 has 4 divisors (see below), whose sum is σ = 64458123360. Its totient is φ = 21486041118.

The previous prime is 42972082213. The next prime is 42972082259. The reversal of 42972082238 is 83228027924.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42972082192 and 42972082201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10743020558 + ... + 10743020561.

It is an arithmetic number, because the mean of its divisors is an integer number (16114530840).

Almost surely, 2^42972082238 is an apocalyptic number.

42972082238 is a deficient number, since it is larger than the sum of its proper divisors (21486041122).

42972082238 is a wasteful number, since it uses less digits than its factorization.

42972082238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486041121.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 42972082238 in words is "forty-two billion, nine hundred seventy-two million, eighty-two thousand, two hundred thirty-eight".