1361828412 has 72 divisors (see below), whose sum is σ = 3960684000. Its totient is φ = 386471808.

The previous prime is 1361828411. The next prime is 1361828417. The reversal of 1361828412 is 2148281631.

1361828412 is a `hidden beast` number, since 1 + 3 + 618 + 28 + 4 + 12 = 666.

1361828412 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361828411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19414 + ... + 55682.

It is an arithmetic number, because the mean of its divisors is an integer number (55009500).

Almost surely, 2^1361828412 is an apocalyptic number.

1361828412 is a gapful number since it is divisible by the number (12) 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 1361828412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980342000).

1361828412 is an abundant number, since it is smaller than the sum of its proper divisors (2598855588).

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

1361828412 is a wasteful number, since it uses less digits than its factorization.

1361828412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36435 (or 36430 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1361828412 is about 36902.9593935229. The cubic root of 1361828412 is about 1108.4279377189.

The spelling of 1361828412 in words is "one billion, three hundred sixty-one million, eight hundred twenty-eight thousand, four hundred twelve".