40040373734 has 24 divisors (see below), whose sum is σ = 63835512048. Its totient is φ = 18832442240.

The previous prime is 40040373733. The next prime is 40040373743. The reversal of 40040373734 is 43737304004.

It is a junction number, because it is equal to n+sod(n) for n = 40040373694 and 40040373703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040373733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122839 + ... + 1157949.

It is an arithmetic number, because the mean of its divisors is an integer number (2659813002).

Almost surely, 2^40040373734 is an apocalyptic number.

40040373734 is a deficient number, since it is larger than the sum of its proper divisors (23795138314).

40040373734 is a wasteful number, since it uses less digits than its factorization.

40040373734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37120 (or 37103 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 35.

Adding to 40040373734 its reverse (43737304004), we get a palindrome (83777677738).

The spelling of 40040373734 in words is "forty billion, forty million, three hundred seventy-three thousand, seven hundred thirty-four".