228958040 has 32 divisors (see below), whose sum is σ = 545460480. Its totient is φ = 86195712.

The previous prime is 228958027. The next prime is 228958087. The reversal of 228958040 is 40859822.

It is a junction number, because it is equal to n+sod(n) for n = 228957985 and 228958003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167672 + ... + 169031.

It is an arithmetic number, because the mean of its divisors is an integer number (17045640).

Almost surely, 2^228958040 is an apocalyptic number.

228958040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228958040 is an abundant number, since it is smaller than the sum of its proper divisors (316502440).

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

228958040 is a wasteful number, since it uses less digits than its factorization.

228958040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336731 (or 336727 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 228958040 is about 15131.3594894841. The cubic root of 228958040 is about 611.7659477800.

The spelling of 228958040 in words is "two hundred twenty-eight million, nine hundred fifty-eight thousand, forty".