4215779742456 has 24 divisors (see below), whose sum is σ = 11417736802680. Its totient is φ = 1405259914128.

The previous prime is 4215779742341. The next prime is 4215779742467. The reversal of 4215779742456 is 6542479775124.

4215779742456 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 77 + 97 + 424 + 56 = 666.

4215779742456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 4215779742393 and 4215779742402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29276248140 + ... + 29276248283.

It is an arithmetic number, because the mean of its divisors is an integer number (475739033445).

Almost surely, 2^{4215779742456} is an apocalyptic number.

It is an amenable number.

4215779742456 is an abundant number, since it is smaller than the sum of its proper divisors (7201957060224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4215779742456 is a wasteful number, since it uses less digits than its factorization.

4215779742456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58552496435 (or 58552496428 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 63.

The spelling of 4215779742456 in words is "four trillion, two hundred fifteen billion, seven hundred seventy-nine million, seven hundred forty-two thousand, four hundred fifty-six".