1344842500 has 60 divisors (see below), whose sum is σ = 2981592460. Its totient is φ = 530496000.

The previous prime is 1344842461. The next prime is 1344842509. The reversal of 1344842500 is 52484431.

It can be written as a sum of positive squares in 10 ways, for example, as 668946496 + 675896004 = 25864^2 + 25998^2 .

It is not an unprimeable number, because it can be changed into a prime (1344842509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 178816 + ... + 186184.

Almost surely, 2^1344842500 is an apocalyptic number.

1344842500 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 1344842500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490796230).

1344842500 is an abundant number, since it is smaller than the sum of its proper divisors (1636749960).

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

1344842500 is an equidigital number, since it uses as much as digits as its factorization.

1344842500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466 (or 7449 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1344842500 is about 36672.0942952540. The cubic root of 1344842500 is about 1103.8002169907.

The spelling of 1344842500 in words is "one billion, three hundred forty-four million, eight hundred forty-two thousand, five hundred".