249641053000 has 32 divisors (see below), whose sum is σ = 584160066360. Its totient is φ = 99856420800.

The previous prime is 249641052989. The next prime is 249641053001. The reversal of 249641053000 is 350146942.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19515531204 + 230125521796 = 139698^2 + 479714^2 .

It is not an unprimeable number, because it can be changed into a prime (249641053001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124819527 + ... + 124821526.

Almost surely, 2^249641053000 is an apocalyptic number.

249641053000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249641053000 is an abundant number, since it is smaller than the sum of its proper divisors (334519013360).

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

249641053000 is a wasteful number, since it uses less digits than its factorization.

249641053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249641074 (or 249641060 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 249641053000 its reverse (350146942), we get a palindrome (249991199942).

The spelling of 249641053000 in words is "two hundred forty-nine billion, six hundred forty-one million, fifty-three thousand".