40136326294 has 32 divisors (see below), whose sum is σ = 63763660800. Its totient is φ = 18894980160.

The previous prime is 40136326259. The next prime is 40136326301. The reversal of 40136326294 is 49262363104.

It is a super-2 number, since 2×40136326294² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 11371522 + ... + 11375050.

It is an arithmetic number, because the mean of its divisors is an integer number (1992614400).

Almost surely, 2^40136326294 is an apocalyptic number.

40136326294 is a deficient number, since it is larger than the sum of its proper divisors (23627334506).

40136326294 is a wasteful number, since it uses less digits than its factorization.

40136326294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308.

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 40136326294 its reverse (49262363104), we get a palindrome (89398689398).

The spelling of 40136326294 in words is "forty billion, one hundred thirty-six million, three hundred twenty-six thousand, two hundred ninety-four".