1344276540 has 96 divisors (see below), whose sum is σ = 4195920960. Its totient is φ = 357297408.

The previous prime is 1344276517. The next prime is 1344276541. The reversal of 1344276540 is 456724431.

1344276540 is a `hidden beast` number, since 1 + 3 + 4 + 42 + 76 + 540 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1344276495 and 1344276504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344276541) 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, 167254 + ... + 175106.

It is an arithmetic number, because the mean of its divisors is an integer number (43707510).

Almost surely, 2^1344276540 is an apocalyptic number.

1344276540 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 1344276540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097960480).

1344276540 is an abundant number, since it is smaller than the sum of its proper divisors (2851644420).

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

1344276540 is a wasteful number, since it uses less digits than its factorization.

1344276540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188 (or 8180 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 1344276540 is about 36664.3769891157. The cubic root of 1344276540 is about 1103.6453551328.

The spelling of 1344276540 in words is "one billion, three hundred forty-four million, two hundred seventy-six thousand, five hundred forty".