422140273172542 has 16 divisors (see below), whose sum is σ = 634116224720160. Its totient is φ = 210768230157408.

The previous prime is 422140273172477. The next prime is 422140273172599. The reversal of 422140273172542 is 245271372041224.

It is a junction number, because it is equal to n+sod(n) for n = 422140273172492 and 422140273172501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18541548 + ... + 34468384.

It is an arithmetic number, because the mean of its divisors is an integer number (39632264045010).

Almost surely, 2^{422140273172542} is an apocalyptic number.

422140273172542 is a deficient number, since it is larger than the sum of its proper divisors (211975951547618).

422140273172542 is a wasteful number, since it uses less digits than its factorization.

422140273172542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945795.

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 422140273172542 in words is "four hundred twenty-two trillion, one hundred forty billion, two hundred seventy-three million, one hundred seventy-two thousand, five hundred forty-two".