2150004440 has 64 divisors (see below), whose sum is σ = 4904280000. Its totient is φ = 848217600.

The previous prime is 2150004403. The next prime is 2150004457. The reversal of 2150004440 is 444000512.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898766 + ... + 901154.

It is an arithmetic number, because the mean of its divisors is an integer number (76629375).

Almost surely, 2^2150004440 is an apocalyptic number.

2150004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150004440 is an abundant number, since it is smaller than the sum of its proper divisors (2754275560).

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

2150004440 is a wasteful number, since it uses less digits than its factorization.

2150004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2150004440 is about 46368.1403552051. The cubic root of 2150004440 is about 1290.6637691297.

Adding to 2150004440 its reverse (444000512), we get a palindrome (2594004952).

The spelling of 2150004440 in words is "two billion, one hundred fifty million, four thousand, four hundred forty".