140012432242 has 32 divisors (see below), whose sum is σ = 234836848512. Its totient is φ = 62264150784.

The previous prime is 140012432221. The next prime is 140012432257. The reversal of 140012432242 is 242234210041.

It is a super-2 number, since 2×140012432242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013673 + ... + 1143484.

It is an arithmetic number, because the mean of its divisors is an integer number (7338651516).

Almost surely, 2^140012432242 is an apocalyptic number.

140012432242 is a deficient number, since it is larger than the sum of its proper divisors (94824416270).

140012432242 is a wasteful number, since it uses less digits than its factorization.

140012432242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157282.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140012432242 its reverse (242234210041), we get a palindrome (382246642283).

The spelling of 140012432242 in words is "one hundred forty billion, twelve million, four hundred thirty-two thousand, two hundred forty-two".