1236876480 has 560 divisors, whose sum is σ = 5337389376. Its totient is φ = 265420800.

The previous prime is 1236876469. The next prime is 1236876503. The reversal of 1236876480 is 846786321.

It is a tau number, because it is divible by the number of its divisors (560).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3084280 + ... + 3084680.

Almost surely, 2^1236876480 is an apocalyptic number.

1236876480 is a gapful number since it is divisible by the number (10) 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 1236876480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668694688).

1236876480 is an abundant number, since it is smaller than the sum of its proper divisors (4100512896).

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

1236876480 is a wasteful number, since it uses less digits than its factorization.

1236876480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1236876480 is about 35169.2547546859. The cubic root of 1236876480 is about 1073.4342390206.

The spelling of 1236876480 in words is "one billion, two hundred thirty-six million, eight hundred seventy-six thousand, four hundred eighty".