40771221453678 has 32 divisors (see below), whose sum is σ = 86339385021600. Its totient is φ = 12790922869760.

The previous prime is 40771221453649. The next prime is 40771221453857. The reversal of 40771221453678 is 87635412217704.

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, 34005148 + ... + 35183696.

It is an arithmetic number, because the mean of its divisors is an integer number (2698105781925).

Almost surely, 2^{40771221453678} is an apocalyptic number.

40771221453678 is an abundant number, since it is smaller than the sum of its proper divisors (45568163567922).

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

40771221453678 is a wasteful number, since it uses less digits than its factorization.

40771221453678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517732.

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 40771221453678 in words is "forty trillion, seven hundred seventy-one billion, two hundred twenty-one million, four hundred fifty-three thousand, six hundred seventy-eight".