40621336655 has 8 divisors (see below), whose sum is σ = 48746880000. Its totient is φ = 32496218656.

The previous prime is 40621336643. The next prime is 40621336661. The reversal of 40621336655 is 55663312604.

40621336655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40621336655 - 2¹⁰ = 40621335631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168221 + ... + 330969.

It is an arithmetic number, because the mean of its divisors is an integer number (6093360000).

Almost surely, 2^40621336655 is an apocalyptic number.

40621336655 is a deficient number, since it is larger than the sum of its proper divisors (8125543345).

40621336655 is a wasteful number, since it uses less digits than its factorization.

40621336655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212673.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 40621336655 in words is "forty billion, six hundred twenty-one million, three hundred thirty-six thousand, six hundred fifty-five".