40957488221 has 16 divisors (see below), whose sum is σ = 46722541824. Its totient is φ = 35567825664.

The previous prime is 40957488203. The next prime is 40957488223. The reversal of 40957488221 is 12288475904.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40957488221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40957488221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40957488223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497240 + ... + 573726.

It is an arithmetic number, because the mean of its divisors is an integer number (2920158864).

Almost surely, 2^40957488221 is an apocalyptic number.

It is an amenable number.

40957488221 is a deficient number, since it is larger than the sum of its proper divisors (5765053603).

40957488221 is a wasteful number, since it uses less digits than its factorization.

40957488221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78940.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 40957488221 in words is "forty billion, nine hundred fifty-seven million, four hundred eighty-eight thousand, two hundred twenty-one".