2768963400 has 768 divisors, whose sum is σ = 11999232000. Its totient is φ = 572313600.

The previous prime is 2768963387. The next prime is 2768963447. The reversal of 2768963400 is 43698672.

2768963400 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 9 + 634 + 0 + 0 = 666.

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 191 ways as a sum of consecutive naturals, for example, 19920531 + ... + 19920669.

It is an arithmetic number, because the mean of its divisors is an integer number (15624000).

Almost surely, 2^2768963400 is an apocalyptic number.

2768963400 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 2768963400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999616000).

2768963400 is an abundant number, since it is smaller than the sum of its proper divisors (9230268600).

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

2768963400 is a wasteful number, since it uses less digits than its factorization.

2768963400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2768963400 is about 52620.9406985470. The cubic root of 2768963400 is about 1404.2326665328.

The spelling of 2768963400 in words is "two billion, seven hundred sixty-eight million, nine hundred sixty-three thousand, four hundred".