2238778080 has 576 divisors, whose sum is σ = 9710378496. Its totient is φ = 456192000.

The previous prime is 2238778043. The next prime is 2238778097. The reversal of 2238778080 is 808778322.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6763515 + ... + 6763845.

It is an arithmetic number, because the mean of its divisors is an integer number (16858296).

Almost surely, 2^2238778080 is an apocalyptic number.

2238778080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238778080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4855189248).

2238778080 is an abundant number, since it is smaller than the sum of its proper divisors (7471600416).

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

2238778080 is a wasteful number, since it uses less digits than its factorization.

2238778080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2238778080 is about 47315.7276177805. The cubic root of 2238778080 is about 1308.1885652450.

The spelling of 2238778080 in words is "two billion, two hundred thirty-eight million, seven hundred seventy-eight thousand, eighty".