228036399857380 has 48 divisors (see below), whose sum is σ = 479158192808064. Its totient is φ = 91160904627200.

The previous prime is 228036399857317. The next prime is 228036399857381. The reversal of 228036399857380 is 83758993630822.

It is not an unprimeable number, because it can be changed into a prime (228036399857381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308895705 + ... + 309633055.

It is an arithmetic number, because the mean of its divisors is an integer number (9982462350168).

Almost surely, 2^{228036399857380} is an apocalyptic number.

228036399857380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228036399857380 is an abundant number, since it is smaller than the sum of its proper divisors (251121792950684).

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

228036399857380 is a wasteful number, since it uses less digits than its factorization.

228036399857380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746436 (or 746434 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 73.

The spelling of 228036399857380 in words is "two hundred twenty-eight trillion, thirty-six billion, three hundred ninety-nine million, eight hundred fifty-seven thousand, three hundred eighty".