1269874368 has 224 divisors, whose sum is σ = 4293209600. Its totient is φ = 360557568.

The previous prime is 1269874363. The next prime is 1269874379. The reversal of 1269874368 is 8634789621.

1269874368 is a `hidden beast` number, since 126 + 9 + 87 + 436 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×1269874368² = 3225161821006798848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269874363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3350403 + ... + 3350781.

Almost surely, 2^1269874368 is an apocalyptic number.

1269874368 is a gapful number since it is divisible by the number (18) 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 1269874368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2146604800).

1269874368 is an abundant number, since it is smaller than the sum of its proper divisors (3023335232).

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

1269874368 is a wasteful number, since it uses less digits than its factorization.

1269874368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 668 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1269874368 is about 35635.2966593517. The cubic root of 1269874368 is about 1082.8964227490.

The spelling of 1269874368 in words is "one billion, two hundred sixty-nine million, eight hundred seventy-four thousand, three hundred sixty-eight".