40655888683 has 4 divisors (see below), whose sum is σ = 40657431328. Its totient is φ = 40654346040.

The previous prime is 40655888677. The next prime is 40655888687. The reversal of 40655888683 is 38688855604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40655888683 is a prime.

It is a super-3 number, since 3×40655888683³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40655888687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731091 + ... + 784732.

It is an arithmetic number, because the mean of its divisors is an integer number (10164357832).

Almost surely, 2^40655888683 is an apocalyptic number.

40655888683 is a deficient number, since it is larger than the sum of its proper divisors (1542645).

40655888683 is a wasteful number, since it uses less digits than its factorization.

40655888683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542644.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 40655888683 in words is "forty billion, six hundred fifty-five million, eight hundred eighty-eight thousand, six hundred eighty-three".