40166604262 has 4 divisors (see below), whose sum is σ = 60249906396. Its totient is φ = 20083302130.

The previous prime is 40166604239. The next prime is 40166604271. The reversal of 40166604262 is 26240666104.

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

It is a super-2 number, since 2×40166604262² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041651064 + ... + 10041651067.

It is an arithmetic number, because the mean of its divisors is an integer number (15062476599).

Almost surely, 2^40166604262 is an apocalyptic number.

40166604262 is a deficient number, since it is larger than the sum of its proper divisors (20083302134).

40166604262 is a wasteful number, since it uses less digits than its factorization.

40166604262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083302133.

The product of its (nonzero) digits is 82944, while the sum is 37.

It can be divided in two parts, 401666042 and 62, that added together give a palindrome (401666104).

The spelling of 40166604262 in words is "forty billion, one hundred sixty-six million, six hundred four thousand, two hundred sixty-two".