40501561433226 has 32 divisors (see below), whose sum is σ = 83145099240000. Its totient is φ = 13144844181120.

The previous prime is 40501561433219. The next prime is 40501561433243. The reversal of 40501561433226 is 62233416510504.

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, 164847681 + ... + 165093188.

It is an arithmetic number, because the mean of its divisors is an integer number (2598284351250).

Almost surely, 2^{40501561433226} is an apocalyptic number.

40501561433226 is an abundant number, since it is smaller than the sum of its proper divisors (42643537806774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40501561433226 is a wasteful number, since it uses less digits than its factorization.

40501561433226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329941414.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 40501561433226 in words is "forty trillion, five hundred one billion, five hundred sixty-one million, four hundred thirty-three thousand, two hundred twenty-six".