2456444442 has 16 divisors (see below), whose sum is σ = 4921621920. Its totient is φ = 817359312.

The previous prime is 2456444437. The next prime is 2456444443. The reversal of 2456444442 is 2444446542.

It is a self number, because there is not a number n which added to its sum of digits gives 2456444442.

It is not an unprimeable number, because it can be changed into a prime (2456444443) 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, 360217 + ... + 366972.

It is an arithmetic number, because the mean of its divisors is an integer number (307601370).

Almost surely, 2^2456444442 is an apocalyptic number.

2456444442 is an abundant number, since it is smaller than the sum of its proper divisors (2465177478).

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

2456444442 is a wasteful number, since it uses less digits than its factorization.

2456444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727757.

The product of its digits is 491520, while the sum is 39.

The square root of 2456444442 is about 49562.5306254634. The cubic root of 2456444442 is about 1349.2807219132.

It can be divided in two parts, 24564 and 44442, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 2456444442 in words is "two billion, four hundred fifty-six million, four hundred forty-four thousand, four hundred forty-two".