228773250143740 has 24 divisors (see below), whose sum is σ = 480475356726960. Its totient is φ = 91499484547968.

The previous prime is 228773250143693. The next prime is 228773250143761. The reversal of 228773250143740 is 47341052377822.

It is a super-2 number, since 2×228773250143740² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613278225 + ... + 613651144.

It is an arithmetic number, because the mean of its divisors is an integer number (20019806530290).

Almost surely, 2^{228773250143740} is an apocalyptic number.

228773250143740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228773250143740 is an abundant number, since it is smaller than the sum of its proper divisors (251702106583220).

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

228773250143740 is a wasteful number, since it uses less digits than its factorization.

228773250143740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226938701 (or 1226938699 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 55.

The spelling of 228773250143740 in words is "two hundred twenty-eight trillion, seven hundred seventy-three billion, two hundred fifty million, one hundred forty-three thousand, seven hundred forty".