140424302431442 has 32 divisors (see below), whose sum is σ = 221391236461824. Its totient is φ = 66716473824000.

The previous prime is 140424302431411. The next prime is 140424302431447. The reversal of 140424302431442 is 244134203424041.

It is a super-2 number, since 2×140424302431442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140424302431396 and 140424302431405.

It is not an unprimeable number, because it can be changed into a prime (140424302431447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19668842 + ... + 25840122.

It is an arithmetic number, because the mean of its divisors is an integer number (6918476139432).

Almost surely, 2^{140424302431442} is an apocalyptic number.

140424302431442 is a deficient number, since it is larger than the sum of its proper divisors (80966934030382).

140424302431442 is a wasteful number, since it uses less digits than its factorization.

140424302431442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178514.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 140424302431442 its reverse (244134203424041), we get a palindrome (384558505855483).

The spelling of 140424302431442 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred two million, four hundred thirty-one thousand, four hundred forty-two".