40858685804 has 6 divisors (see below), whose sum is σ = 71502700164. Its totient is φ = 20429342900.

The previous prime is 40858685783. The next prime is 40858685807.

40858685804 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40858685804² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40858685804.

It is not an unprimeable number, because it can be changed into a prime (40858685807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107335722 + ... + 5107335729.

It is an arithmetic number, because the mean of its divisors is an integer number (11917116694).

Almost surely, 2^40858685804 is an apocalyptic number.

It is an amenable number.

40858685804 is a deficient number, since it is larger than the sum of its proper divisors (30644014360).

40858685804 is a wasteful number, since it uses less digits than its factorization.

40858685804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214671455 (or 10214671453 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 56.

The spelling of 40858685804 in words is "forty billion, eight hundred fifty-eight million, six hundred eighty-five thousand, eight hundred four".