228742040664 has 64 divisors (see below), whose sum is σ = 635641344000. Its totient is φ = 76217732640.

The previous prime is 228742040647. The next prime is 228742040671. The reversal of 228742040664 is 466040247822.

228742040664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355297 + ... + 764015.

It is an arithmetic number, because the mean of its divisors is an integer number (9931896000).

Almost surely, 2^228742040664 is an apocalyptic number.

228742040664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228742040664 is an abundant number, since it is smaller than the sum of its proper divisors (406899303336).

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

228742040664 is a wasteful number, since it uses less digits than its factorization.

228742040664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411325 (or 411315 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 228742040664 in words is "two hundred twenty-eight billion, seven hundred forty-two million, forty thousand, six hundred sixty-four".