1344440052 has 48 divisors (see below), whose sum is σ = 3524774400. Its totient is φ = 443108160.

The previous prime is 1344440033. The next prime is 1344440089. The reversal of 1344440052 is 2500444431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1344439998 and 1344440025.

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, 60324 + ... + 79547.

It is an arithmetic number, because the mean of its divisors is an integer number (73432800).

Almost surely, 2^1344440052 is an apocalyptic number.

1344440052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1344440052 is an abundant number, since it is smaller than the sum of its proper divisors (2180334348).

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

1344440052 is a wasteful number, since it uses less digits than its factorization.

1344440052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139973 (or 139965 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1344440052 is about 36666.6067696480. The cubic root of 1344440052 is about 1103.6901008721.

Adding to 1344440052 its reverse (2500444431), we get a palindrome (3844884483).

The spelling of 1344440052 in words is "one billion, three hundred forty-four million, four hundred forty thousand, fifty-two".