1344022040 has 64 divisors (see below), whose sum is σ = 3288535200. Its totient is φ = 492300288.

The previous prime is 1344022039. The next prime is 1344022063. The reversal of 1344022040 is 402204431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1550 + ... + 51869.

Almost surely, 2^1344022040 is an apocalyptic number.

1344022040 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 1344022040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644267600).

1344022040 is an abundant number, since it is smaller than the sum of its proper divisors (1944513160).

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

1344022040 is a wasteful number, since it uses less digits than its factorization.

1344022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53484 (or 53480 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1344022040 is about 36660.9061535582. The cubic root of 1344022040 is about 1103.5757029291.

Adding to 1344022040 its reverse (402204431), we get a palindrome (1746226471).

The spelling of 1344022040 in words is "one billion, three hundred forty-four million, twenty-two thousand, forty".