227682640494 has 24 divisors (see below), whose sum is σ = 505344398832. Its totient is φ = 74043134880.

The previous prime is 227682640459. The next prime is 227682640499. The reversal of 227682640494 is 494046286722.

It is a happy number.

227682640494 is a `hidden beast` number, since 2 + 2 + 76 + 82 + 6 + 4 + 0 + 494 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 227682640494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227682640499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154255794 + ... + 154257269.

It is an arithmetic number, because the mean of its divisors is an integer number (21056016618).

Almost surely, 2^227682640494 is an apocalyptic number.

227682640494 is an abundant number, since it is smaller than the sum of its proper divisors (277661758338).

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

227682640494 is a wasteful number, since it uses less digits than its factorization.

227682640494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308513112 (or 308513109 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 227682640494 in words is "two hundred twenty-seven billion, six hundred eighty-two million, six hundred forty thousand, four hundred ninety-four".