1268552376 has 288 divisors, whose sum is σ = 4559995440. Its totient is φ = 314689536.

The previous prime is 1268552371. The next prime is 1268552377. The reversal of 1268552376 is 6732558621.

1268552376 is a `hidden beast` number, since 1 + 2 + 68 + 552 + 37 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268552371) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 778875 + ... + 780501.

Almost surely, 2^1268552376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268552376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279997720).

1268552376 is an abundant number, since it is smaller than the sum of its proper divisors (3291443064).

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

1268552376 is a wasteful number, since it uses less digits than its factorization.

1268552376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1669 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 1268552376 is about 35616.7429167800. The cubic root of 1268552376 is about 1082.5205122103.

The spelling of 1268552376 in words is "one billion, two hundred sixty-eight million, five hundred fifty-two thousand, three hundred seventy-six".