2278880142 has 48 divisors (see below), whose sum is σ = 5783882112. Its totient is φ = 591916080.

The previous prime is 2278880101. The next prime is 2278880161. The reversal of 2278880142 is 2410888722.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2278880094 and 2278880103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349098 + ... + 355565.

It is an arithmetic number, because the mean of its divisors is an integer number (120497544).

Almost surely, 2^2278880142 is an apocalyptic number.

2278880142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2278880142 is an abundant number, since it is smaller than the sum of its proper divisors (3505001970).

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

2278880142 is a wasteful number, since it uses less digits than its factorization.

2278880142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704693 (or 704686 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 2278880142 is about 47737.6176824944. The cubic root of 2278880142 is about 1315.9533520510.

The spelling of 2278880142 in words is "two billion, two hundred seventy-eight million, eight hundred eighty thousand, one hundred forty-two".