40197044772742 has 32 divisors (see below), whose sum is σ = 70837466222880. Its totient is φ = 16865722437120.

The previous prime is 40197044772719. The next prime is 40197044772811. The reversal of 40197044772742 is 24727744079104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29943184 + ... + 31256812.

It is an arithmetic number, because the mean of its divisors is an integer number (2213670819465).

Almost surely, 2^{40197044772742} is an apocalyptic number.

40197044772742 is a deficient number, since it is larger than the sum of its proper divisors (30640421450138).

40197044772742 is a wasteful number, since it uses less digits than its factorization.

40197044772742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420648.

The product of its (nonzero) digits is 22127616, while the sum is 58.

The spelling of 40197044772742 in words is "forty trillion, one hundred ninety-seven billion, forty-four million, seven hundred seventy-two thousand, seven hundred forty-two".