246440000 has 140 divisors (see below), whose sum is σ = 627258588. Its totient is φ = 96000000.

The previous prime is 246439993. The next prime is 246440011. The reversal of 246440000 is 44642.

It can be written as a sum of positive squares in 10 ways, for example, as 191324224 + 55115776 = 13832^2 + 7424^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2439950 + ... + 2440050.

Almost surely, 2^246440000 is an apocalyptic number.

246440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313629294).

246440000 is an abundant number, since it is smaller than the sum of its proper divisors (380818588).

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

246440000 is an equidigital number, since it uses as much as digits as its factorization.

246440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 246440000 is about 15698.4075625523. The cubic root of 246440000 is about 626.9560054158.

Adding to 246440000 its reverse (44642), we get a palindrome (246484642).

The spelling of 246440000 in words is "two hundred forty-six million, four hundred forty thousand".