40888683561 has 16 divisors (see below), whose sum is σ = 59481259200. Its totient is φ = 24778182720.

The previous prime is 40888683559. The next prime is 40888683571. The reversal of 40888683561 is 16538688804.

It is a happy number.

It is not a de Polignac number, because 40888683561 - 2¹ = 40888683559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40888683571) 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, 242251 + ... + 374783.

It is an arithmetic number, because the mean of its divisors is an integer number (3717578700).

Almost surely, 2^40888683561 is an apocalyptic number.

It is an amenable number.

40888683561 is a deficient number, since it is larger than the sum of its proper divisors (18592575639).

40888683561 is a wasteful number, since it uses less digits than its factorization.

40888683561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141896.

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 40888683561 in words is "forty billion, eight hundred eighty-eight million, six hundred eighty-three thousand, five hundred sixty-one".