2278850400 has 108 divisors (see below), whose sum is σ = 8035821612. Its totient is φ = 607691520.

The previous prime is 2278850389. The next prime is 2278850401. The reversal of 2278850400 is 40588722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278850401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 151054 + ... + 165453.

Almost surely, 2^2278850400 is an apocalyptic number.

2278850400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2278850400 is an abundant number, since it is smaller than the sum of its proper divisors (5756971212).

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

2278850400 is a wasteful number, since it uses less digits than its factorization.

2278850400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316533 (or 316517 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 2278850400 is about 47737.3061661422. The cubic root of 2278850400 is about 1315.9476271259.

The spelling of 2278850400 in words is "two billion, two hundred seventy-eight million, eight hundred fifty thousand, four hundred".