40742304736730 has 32 divisors (see below), whose sum is σ = 74946793259520. Its totient is φ = 15939466594560.

The previous prime is 40742304736703. The next prime is 40742304736739. The reversal of 40742304736730 is 3763740324704.

It is a happy number.

40742304736730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40742304736730² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40742304736739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28408886 + ... + 29808545.

It is an arithmetic number, because the mean of its divisors is an integer number (2342087289360).

Almost surely, 2^{40742304736730} is an apocalyptic number.

40742304736730 is a deficient number, since it is larger than the sum of its proper divisors (34204488522790).

40742304736730 is a wasteful number, since it uses less digits than its factorization.

40742304736730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58218974.

The product of its (nonzero) digits is 7112448, while the sum is 50.

The spelling of 40742304736730 in words is "forty trillion, seven hundred forty-two billion, three hundred four million, seven hundred thirty-six thousand, seven hundred thirty".