1364027644 has 96 divisors (see below), whose sum is σ = 2938682880. Its totient is φ = 541562112.

The previous prime is 1364027641. The next prime is 1364027659. The reversal of 1364027644 is 4467204631.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364027641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2493379 + ... + 2493925.

It is an arithmetic number, because the mean of its divisors is an integer number (30611280).

Almost surely, 2^1364027644 is an apocalyptic number.

1364027644 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 1364027644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469341440).

1364027644 is an abundant number, since it is smaller than the sum of its proper divisors (1574655236).

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

1364027644 is a wasteful number, since it uses less digits than its factorization.

1364027644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1364027644 is about 36932.7448749751. The cubic root of 1364027644 is about 1109.0242877258.

The spelling of 1364027644 in words is "one billion, three hundred sixty-four million, twenty-seven thousand, six hundred forty-four".