40768870197 has 16 divisors (see below), whose sum is σ = 59309923392. Its totient is φ = 24704344320.

The previous prime is 40768870193. The next prime is 40768870201. The reversal of 40768870197 is 79107886704.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40768870193) and next prime (40768870201).

It is not a de Polignac number, because 40768870197 - 2² = 40768870193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768870193) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 108733 + ... + 305549.

It is an arithmetic number, because the mean of its divisors is an integer number (3706870212).

Almost surely, 2^40768870197 is an apocalyptic number.

It is an amenable number.

40768870197 is a deficient number, since it is larger than the sum of its proper divisors (18541053195).

40768870197 is a wasteful number, since it uses less digits than its factorization.

40768870197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203108.

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 40768870197 in words is "forty billion, seven hundred sixty-eight million, eight hundred seventy thousand, one hundred ninety-seven".