740042635642 has 16 divisors (see below), whose sum is σ = 1111225730400. Its totient is φ = 369634137840.

The previous prime is 740042635637. The next prime is 740042635663. The reversal of 740042635642 is 246536240047.

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, 30798709 + ... + 30822727.

It is an arithmetic number, because the mean of its divisors is an integer number (69451608150).

Almost surely, 2^740042635642 is an apocalyptic number.

740042635642 is a deficient number, since it is larger than the sum of its proper divisors (371183094758).

740042635642 is a wasteful number, since it uses less digits than its factorization.

740042635642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39501.

The product of its (nonzero) digits is 967680, while the sum is 43.

Adding to 740042635642 its reverse (246536240047), we get a palindrome (986578875689).

The spelling of 740042635642 in words is "seven hundred forty billion, forty-two million, six hundred thirty-five thousand, six hundred forty-two".