230001649000 has 32 divisors (see below), whose sum is σ = 538203861000. Its totient is φ = 92000659200.

The previous prime is 230001648991. The next prime is 230001649021. The reversal of 230001649000 is 946100032.

It can be written as a sum of positive squares in 4 ways, for example, as 10128812164 + 219872836836 = 100642^2 + 468906^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 114999825 + ... + 115001824.

Almost surely, 2^230001649000 is an apocalyptic number.

230001649000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230001649000 is an abundant number, since it is smaller than the sum of its proper divisors (308202212000).

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

230001649000 is a wasteful number, since it uses less digits than its factorization.

230001649000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230001670 (or 230001656 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 230001649000 its reverse (946100032), we get a palindrome (230947749032).

The spelling of 230001649000 in words is "two hundred thirty billion, one million, six hundred forty-nine thousand".