1236427960320 has 2080 divisors, whose sum is σ = 5394815395200. Its totient is φ = 270516879360.

The previous prime is 1236427960309. The next prime is 1236427960457. The reversal of 1236427960320 is 230697246321.

1236427960320 is a `hidden beast` number, since 1 + 2 + 36 + 4 + 2 + 7 + 9 + 603 + 2 + 0 = 666.

It is a super-2 number, since 2×1236427960320² (a number of 25 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23328829414 + ... + 23328829466.

Almost surely, 2^{1236427960320} is an apocalyptic number.

1236427960320 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 1236427960320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697407697600).

1236427960320 is an abundant number, since it is smaller than the sum of its proper divisors (4158387434880).

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

1236427960320 is an frugal number, since it uses more digits than its factorization.

1236427960320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 1236427960320 in words is "one trillion, two hundred thirty-six billion, four hundred twenty-seven million, nine hundred sixty thousand, three hundred twenty".