40935861598 has 4 divisors (see below), whose sum is σ = 61403792400. Its totient is φ = 20467930798.

The previous prime is 40935861563. The next prime is 40935861619. The reversal of 40935861598 is 89516853904.

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

It is a super-2 number, since 2×40935861598² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10233965398 + ... + 10233965401.

It is an arithmetic number, because the mean of its divisors is an integer number (15350948100).

Almost surely, 2^40935861598 is an apocalyptic number.

40935861598 is a deficient number, since it is larger than the sum of its proper divisors (20467930802).

40935861598 is a wasteful number, since it uses less digits than its factorization.

40935861598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467930801.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 40935861598 in words is "forty billion, nine hundred thirty-five million, eight hundred sixty-one thousand, five hundred ninety-eight".