4287278020455 has 24 divisors (see below), whose sum is σ = 7478614920192. Its totient is φ = 2271984272064.

The previous prime is 4287278020433. The next prime is 4287278020469. The reversal of 4287278020455 is 5540208727824.

It is a happy number.

4287278020455 is a `hidden beast` number, since 4 + 28 + 72 + 7 + 80 + 20 + 455 = 666.

It is not a de Polignac number, because 4287278020455 - 2⁶ = 4287278020391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303409639 + ... + 303423768.

It is an arithmetic number, because the mean of its divisors is an integer number (311608955008).

Almost surely, 2^{4287278020455} is an apocalyptic number.

4287278020455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4287278020455 is a deficient number, since it is larger than the sum of its proper divisors (3191336899737).

4287278020455 is a wasteful number, since it uses less digits than its factorization.

4287278020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606833575 (or 606833572 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 54.

The spelling of 4287278020455 in words is "four trillion, two hundred eighty-seven billion, two hundred seventy-eight million, twenty thousand, four hundred fifty-five".