40351023737242 has 32 divisors (see below), whose sum is σ = 61876369894608. Its totient is φ = 19728192946176.

The previous prime is 40351023737239. The next prime is 40351023737267. The reversal of 40351023737242 is 24273732015304.

It can be written as a sum of positive squares in 8 ways, for example, as 23407995388761 + 16943028348481 = 4838181^2 + 4116191^2 .

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, 69796038 + ... + 70371790.

Almost surely, 2^{40351023737242} is an apocalyptic number.

40351023737242 is a deficient number, since it is larger than the sum of its proper divisors (21525346157366).

40351023737242 is a wasteful number, since it uses less digits than its factorization.

40351023737242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578034.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 40351023737242 in words is "forty trillion, three hundred fifty-one billion, twenty-three million, seven hundred thirty-seven thousand, two hundred forty-two".