40260221762 has 4 divisors (see below), whose sum is σ = 60390332646. Its totient is φ = 20130110880.

The previous prime is 40260221731. The next prime is 40260221777. The reversal of 40260221762 is 26712206204.

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

It can be written as a sum of positive squares in only one way, i.e., 33583861081 + 6676360681 = 183259^2 + 81709^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10065055439 + ... + 10065055442.

Almost surely, 2^40260221762 is an apocalyptic number.

40260221762 is a deficient number, since it is larger than the sum of its proper divisors (20130110884).

40260221762 is a wasteful number, since it uses less digits than its factorization.

40260221762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130110883.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 40260221762 its reverse (26712206204), we get a palindrome (66972427966).

The spelling of 40260221762 in words is "forty billion, two hundred sixty million, two hundred twenty-one thousand, seven hundred sixty-two".