140215025544242 has 48 divisors (see below), whose sum is σ = 235263448283136. Its totient is φ = 62618352350400.

The previous prime is 140215025544239. The next prime is 140215025544277. The reversal of 140215025544242 is 242445520512041.

It is a self number, because there is not a number n which added to its sum of digits gives 140215025544242.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18981059 + ... + 25312262.

It is an arithmetic number, because the mean of its divisors is an integer number (4901321839232).

Almost surely, 2^{140215025544242} is an apocalyptic number.

140215025544242 is a deficient number, since it is larger than the sum of its proper divisors (95048422738894).

140215025544242 is a wasteful number, since it uses less digits than its factorization.

140215025544242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44293575 (or 44293564 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

The spelling of 140215025544242 in words is "one hundred forty trillion, two hundred fifteen billion, twenty-five million, five hundred forty-four thousand, two hundred forty-two".