2148278462 has 16 divisors (see below), whose sum is σ = 3517180272. Its totient is φ = 975985920.

The previous prime is 2148278413. The next prime is 2148278477. The reversal of 2148278462 is 2648728412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20168 + ... + 68580.

It is an arithmetic number, because the mean of its divisors is an integer number (219823767).

Almost surely, 2^2148278462 is an apocalyptic number.

2148278462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2148278462 is a deficient number, since it is larger than the sum of its proper divisors (1368901810).

2148278462 is a wasteful number, since it uses less digits than its factorization.

2148278462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50443.

The product of its digits is 344064, while the sum is 44.

The square root of 2148278462 is about 46349.5249382343. The cubic root of 2148278462 is about 1290.3183041622.

The spelling of 2148278462 in words is "two billion, one hundred forty-eight million, two hundred seventy-eight thousand, four hundred sixty-two".