40212064163 has 16 divisors (see below), whose sum is σ = 42715245024. Its totient is φ = 37724405760.

The previous prime is 40212064159. The next prime is 40212064181. The reversal of 40212064163 is 36146021204.

It is a cyclic number.

It is not a de Polignac number, because 40212064163 - 2² = 40212064159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40212064153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461956 + ... + 7467342.

It is an arithmetic number, because the mean of its divisors is an integer number (2669702814).

Almost surely, 2^40212064163 is an apocalyptic number.

40212064163 is a deficient number, since it is larger than the sum of its proper divisors (2503180861).

40212064163 is a wasteful number, since it uses less digits than its factorization.

40212064163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 40212064163 its reverse (36146021204), we get a palindrome (76358085367).

The spelling of 40212064163 in words is "forty billion, two hundred twelve million, sixty-four thousand, one hundred sixty-three".