40129834822 has 32 divisors (see below), whose sum is σ = 75107139840. Its totient is φ = 15622680480.

The previous prime is 40129834817. The next prime is 40129834837. The reversal of 40129834822 is 22843892104.

It is a happy number.

It is a super-2 number, since 2×40129834822² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 94629 + ... + 298687.

It is an arithmetic number, because the mean of its divisors is an integer number (2347098120).

Almost surely, 2^40129834822 is an apocalyptic number.

40129834822 is a deficient number, since it is larger than the sum of its proper divisors (34977305018).

40129834822 is a wasteful number, since it uses less digits than its factorization.

40129834822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205356.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 40129834822 in words is "forty billion, one hundred twenty-nine million, eight hundred thirty-four thousand, eight hundred twenty-two".