1244345676 has 24 divisors (see below), whose sum is σ = 3318255360. Its totient is φ = 355527312.

The previous prime is 1244345671. The next prime is 1244345677. The reversal of 1244345676 is 6765434421.

It is a happy number.

It is a super-2 number, since 2×1244345676² = 3096792322759793952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1244345671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7406736 + ... + 7406903.

It is an arithmetic number, because the mean of its divisors is an integer number (138260640).

Almost surely, 2^1244345676 is an apocalyptic number.

It is an amenable number.

1244345676 is an abundant number, since it is smaller than the sum of its proper divisors (2073909684).

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

1244345676 is a wasteful number, since it uses less digits than its factorization.

1244345676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813653 (or 14813651 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 1244345676 is about 35275.2842086354. The cubic root of 1244345676 is about 1075.5906401973.

The spelling of 1244345676 in words is "one billion, two hundred forty-four million, three hundred forty-five thousand, six hundred seventy-six".