42401615792247 has 12 divisors (see below), whose sum is σ = 61354417703280. Its totient is φ = 28218064167648.

The previous prime is 42401615792243. The next prime is 42401615792269. The reversal of 42401615792247 is 74229751610424.

It is a happy number.

42401615792247 is a `hidden beast` number, since 4 + 2 + 4 + 0 + 1 + 6 + 1 + 579 + 22 + 47 = 666.

42401615792247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42401615792247 - 2² = 42401615792243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42401615792193 and 42401615792202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401615792243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4139969083 + ... + 4139979324.

It is an arithmetic number, because the mean of its divisors is an integer number (5112868141940).

Almost surely, 2^{42401615792247} is an apocalyptic number.

42401615792247 is a deficient number, since it is larger than the sum of its proper divisors (18952801911033).

42401615792247 is a wasteful number, since it uses less digits than its factorization.

42401615792247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279948982 (or 8279948979 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 42401615792247 in words is "forty-two trillion, four hundred one billion, six hundred fifteen million, seven hundred ninety-two thousand, two hundred forty-seven".