2150446240 has 24 divisors (see below), whose sum is σ = 5080429620. Its totient is φ = 860178432.

The previous prime is 2150446231. The next prime is 2150446241. The reversal of 2150446240 is 426440512.

It can be written as a sum of positive squares in 2 ways, for example, as 2148878736 + 1567504 = 46356^2 + 1252^2 .

It is a super-2 number, since 2×2150446240² = 9248838062260275200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2150446199 and 2150446208.

It is not an unprimeable number, because it can be changed into a prime (2150446241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6719985 + ... + 6720304.

Almost surely, 2^2150446240 is an apocalyptic number.

2150446240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150446240 is an abundant number, since it is smaller than the sum of its proper divisors (2929983380).

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

2150446240 is a wasteful number, since it uses less digits than its factorization.

2150446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440304 (or 13440296 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2150446240 is about 46372.9041574927. The cubic root of 2150446240 is about 1290.7521683581.

Adding to 2150446240 its reverse (426440512), we get a palindrome (2576886752).

The spelling of 2150446240 in words is "two billion, one hundred fifty million, four hundred forty-six thousand, two hundred forty".