13278464730 has 128 divisors (see below), whose sum is σ = 36038960640. Its totient is φ = 3478325760.

The previous prime is 13278464729. The next prime is 13278464741. The reversal of 13278464730 is 3746487231.

13278464730 is a `hidden beast` number, since 132 + 7 + 8 + 46 + 473 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5999104 + ... + 6001316.

It is an arithmetic number, because the mean of its divisors is an integer number (281554380).

Almost surely, 2^13278464730 is an apocalyptic number.

13278464730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13278464730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18019480320).

13278464730 is an abundant number, since it is smaller than the sum of its proper divisors (22760495910).

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

13278464730 is a wasteful number, since it uses less digits than its factorization.

13278464730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 13278464730 in words is "thirteen billion, two hundred seventy-eight million, four hundred sixty-four thousand, seven hundred thirty".