40102212202 has 8 divisors (see below), whose sum is σ = 64780496676. Its totient is φ = 18508713312.

The previous prime is 40102212191. The next prime is 40102212223. The reversal of 40102212202 is 20221220104.

It can be written as a sum of positive squares in 2 ways, for example, as 40011600841 + 90611361 = 200029^2 + 9519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771196363 + ... + 771196414.

Almost surely, 2^40102212202 is an apocalyptic number.

40102212202 is a deficient number, since it is larger than the sum of its proper divisors (24678284474).

40102212202 is a wasteful number, since it uses less digits than its factorization.

40102212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542392792.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 40102212202 its reverse (20221220104), we get a palindrome (60323432306).

The spelling of 40102212202 in words is "forty billion, one hundred two million, two hundred twelve thousand, two hundred two".