4278257284730 has 64 divisors (see below), whose sum is σ = 9148821696000. Its totient is φ = 1419922859520.

The previous prime is 4278257284727. The next prime is 4278257284751. The reversal of 4278257284730 is 374827528724.

It is a self number, because there is not a number n which added to its sum of digits gives 4278257284730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16680530 + ... + 16935069.

It is an arithmetic number, because the mean of its divisors is an integer number (142950339000).

Almost surely, 2^{4278257284730} is an apocalyptic number.

4278257284730 is an abundant number, since it is smaller than the sum of its proper divisors (4870564411270).

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

4278257284730 is a wasteful number, since it uses less digits than its factorization.

4278257284730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33615719.

The product of its (nonzero) digits is 42147840, while the sum is 59.

The spelling of 4278257284730 in words is "four trillion, two hundred seventy-eight billion, two hundred fifty-seven million, two hundred eighty-four thousand, seven hundred thirty".