1364396544 has 120 divisors (see below), whose sum is σ = 4500381600. Its totient is φ = 389818368.

The previous prime is 1364396477. The next prime is 1364396549. The reversal of 1364396544 is 4456934631.

1364396544 is a `hidden beast` number, since 13 + 6 + 4 + 3 + 96 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1364396544.

It is not an unprimeable number, because it can be changed into a prime (1364396549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11107 + ... + 53405.

It is an arithmetic number, because the mean of its divisors is an integer number (37503180).

Almost surely, 2^1364396544 is an apocalyptic number.

1364396544 is a gapful number since it is divisible by the number (14) 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 1364396544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250190800).

1364396544 is an abundant number, since it is smaller than the sum of its proper divisors (3135985056).

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

1364396544 is an equidigital number, since it uses as much as digits as its factorization.

1364396544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330 (or 42311 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 1364396544 is about 36937.7387504974. The cubic root of 1364396544 is about 1109.1242569078.

The spelling of 1364396544 in words is "one billion, three hundred sixty-four million, three hundred ninety-six thousand, five hundred forty-four".