40040373670 has 32 divisors (see below), whose sum is σ = 79320552480. Its totient is φ = 14431280640.

The previous prime is 40040373641. The next prime is 40040373679. The reversal of 40040373670 is 7637304004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040373679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598205 + ... + 1623064.

It is an arithmetic number, because the mean of its divisors is an integer number (2478767265).

Almost surely, 2^40040373670 is an apocalyptic number.

40040373670 is a deficient number, since it is larger than the sum of its proper divisors (39280178810).

40040373670 is a wasteful number, since it uses less digits than its factorization.

40040373670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221400.

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 40040373670 its reverse (7637304004), we get a palindrome (47677677674).

The spelling of 40040373670 in words is "forty billion, forty million, three hundred seventy-three thousand, six hundred seventy".