40621797853 has 8 divisors (see below), whose sum is σ = 49996059008. Its totient is φ = 32140323504.

The previous prime is 40621797847. The next prime is 40621797871. The reversal of 40621797853 is 35879712604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40621797853 is a prime.

It is the 201549-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 40621797853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621791853) by changing a digit.

It is a nontrivial repunit in base 201548.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223196601 + ... + 223196782.

It is an arithmetic number, because the mean of its divisors is an integer number (6249507376).

It is a 2-persistent number, because it is pandigital, and so is 2⋅40621797853 = 81243595706, but 3⋅40621797853 = 121865393559 is not.

Almost surely, 2^40621797853 is an apocalyptic number.

It is an amenable number.

40621797853 is a deficient number, since it is larger than the sum of its proper divisors (9374261155).

40621797853 is a wasteful number, since it uses less digits than its factorization.

40621797853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446393403.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 40621797853 in words is "forty billion, six hundred twenty-one million, seven hundred ninety-seven thousand, eight hundred fifty-three".