40553773034721 has 32 divisors (see below), whose sum is σ = 56437151645952. Its totient is φ = 25878068336640.

The previous prime is 40553773034717. The next prime is 40553773034777. The reversal of 40553773034721 is 12743037735504.

It is not a de Polignac number, because 40553773034721 - 2² = 40553773034717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40553773034521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356356396 + ... + 356470178.

It is an arithmetic number, because the mean of its divisors is an integer number (1763660988936).

Almost surely, 2^{40553773034721} is an apocalyptic number.

40553773034721 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40553773034721 is a deficient number, since it is larger than the sum of its proper divisors (15883378611231).

40553773034721 is a wasteful number, since it uses less digits than its factorization.

40553773034721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168553.

The product of its (nonzero) digits is 7408800, while the sum is 51.

The spelling of 40553773034721 in words is "forty trillion, five hundred fifty-three billion, seven hundred seventy-three million, thirty-four thousand, seven hundred twenty-one".