43140045680742 has 32 divisors (see below), whose sum is σ = 91458851283072. Its totient is φ = 13518804507264.

The previous prime is 43140045680701. The next prime is 43140045680803. The reversal of 43140045680742 is 24708654004134.

It is a super-2 number, since 2×43140045680742² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43140045680691 and 43140045680700.

It is a congruent number.

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, 239401228 + ... + 239581359.

It is an arithmetic number, because the mean of its divisors is an integer number (2858089102596).

Almost surely, 2^{43140045680742} is an apocalyptic number.

43140045680742 is an abundant number, since it is smaller than the sum of its proper divisors (48318805602330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43140045680742 is a wasteful number, since it uses less digits than its factorization.

43140045680742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478983492.

The product of its (nonzero) digits is 2580480, while the sum is 48.

Adding to 43140045680742 its reverse (24708654004134), we get a palindrome (67848699684876).

The spelling of 43140045680742 in words is "forty-three trillion, one hundred forty billion, forty-five million, six hundred eighty thousand, seven hundred forty-two".