268148490 has 32 divisors (see below), whose sum is σ = 671538816. Its totient is φ = 68397120.

The previous prime is 268148483. The next prime is 268148521. The reversal of 268148490 is 94841862.

It is a super-2 number, since 2×268148490² = 143807225378560200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193621 + ... + 195000.

It is an arithmetic number, because the mean of its divisors is an integer number (20985588).

Almost surely, 2^268148490 is an apocalyptic number.

268148490 is an abundant number, since it is smaller than the sum of its proper divisors (403390326).

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

268148490 is a wasteful number, since it uses less digits than its factorization.

268148490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388654.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 268148490 is about 16375.2401509108. The cubic root of 268148490 is about 644.8496254217.

The spelling of 268148490 in words is "two hundred sixty-eight million, one hundred forty-eight thousand, four hundred ninety".