40197041344779 has 16 divisors (see below), whose sum is σ = 61010529156864. Its totient is φ = 23302632663200.

The previous prime is 40197041344729. The next prime is 40197041344841. The reversal of 40197041344779 is 97744314079104.

It is not a de Polignac number, because 40197041344779 - 2³⁶ = 40128321868043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40197041344729) 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, 26480263632 + ... + 26480265149.

It is an arithmetic number, because the mean of its divisors is an integer number (3813158072304).

Almost surely, 2^{40197041344779} is an apocalyptic number.

40197041344779 is a deficient number, since it is larger than the sum of its proper divisors (20813487812085).

40197041344779 is a wasteful number, since it uses less digits than its factorization.

40197041344779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52960528818.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 40197041344779 in words is "forty trillion, one hundred ninety-seven billion, forty-one million, three hundred forty-four thousand, seven hundred seventy-nine".