2442251478 has 32 divisors (see below), whose sum is σ = 5019670656. Its totient is φ = 791719488.

The previous prime is 2442251473. The next prime is 2442251479. The reversal of 2442251478 is 8741522442.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442251473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39801 + ... + 80427.

It is an arithmetic number, because the mean of its divisors is an integer number (156864708).

Almost surely, 2^2442251478 is an apocalyptic number.

2442251478 is an abundant number, since it is smaller than the sum of its proper divisors (2577419178).

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

2442251478 is a wasteful number, since it uses less digits than its factorization.

2442251478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40908.

The product of its digits is 143360, while the sum is 39.

The square root of 2442251478 is about 49419.1408059671. The cubic root of 2442251478 is about 1346.6770543617.

The spelling of 2442251478 in words is "two billion, four hundred forty-two million, two hundred fifty-one thousand, four hundred seventy-eight".