2444122140 has 48 divisors (see below), whose sum is σ = 7141091328. Its totient is φ = 623427904.

The previous prime is 2444122111. The next prime is 2444122157. The reversal of 2444122140 is 412214442.

It is a self number, because there is not a number n which added to its sum of digits gives 2444122140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884172 + ... + 886931.

It is an arithmetic number, because the mean of its divisors is an integer number (148772736).

Almost surely, 2^2444122140 is an apocalyptic number.

2444122140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444122140 is an abundant number, since it is smaller than the sum of its proper divisors (4696969188).

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

2444122140 is a wasteful number, since it uses less digits than its factorization.

2444122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771138 (or 1771136 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2444122140 is about 49438.0636756740. The cubic root of 2444122140 is about 1347.0207992891.

Adding to 2444122140 its reverse (412214442), we get a palindrome (2856336582).

The spelling of 2444122140 in words is "two billion, four hundred forty-four million, one hundred twenty-two thousand, one hundred forty".