2278032475320 has 480 divisors, whose sum is σ = 8943601986000. Its totient is φ = 520693137216.

The previous prime is 2278032475309. The next prime is 2278032475357. The reversal of 2278032475320 is 235742308722.

2278032475320 is a `hidden beast` number, since 2 + 2 + 7 + 80 + 3 + 247 + 5 + 320 = 666.

It is a super-2 number, since 2×2278032475320² (a number of 26 digits) contains 22 as substring.

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 119 ways as a sum of consecutive naturals, for example, 325433210757 + ... + 325433210763.

Almost surely, 2^{2278032475320} is an apocalyptic number.

2278032475320 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 2278032475320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4471800993000).

2278032475320 is an abundant number, since it is smaller than the sum of its proper divisors (6665569510680).

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

2278032475320 is an frugal number, since it uses more digits than its factorization.

2278032475320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 2278032475320 in words is "two trillion, two hundred seventy-eight billion, thirty-two million, four hundred seventy-five thousand, three hundred twenty".