1344444690 has 32 divisors (see below), whose sum is σ = 3230274816. Its totient is φ = 358117760.

The previous prime is 1344444671. The next prime is 1344444709. The reversal of 1344444690 is 964444431.

It is an interprime number because it is at equal distance from previous prime (1344444671) and next prime (1344444709).

It is a super-2 number, since 2×1344444690² = 3615063048938392200, which contains 22 as substring.

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, 2734 + ... + 51926.

It is an arithmetic number, because the mean of its divisors is an integer number (100946088).

Almost surely, 2^1344444690 is an apocalyptic number.

1344444690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344444690 is an abundant number, since it is smaller than the sum of its proper divisors (1885830126).

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

1344444690 is a wasteful number, since it uses less digits than its factorization.

1344444690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50114.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1344444690 is about 36666.6700151514. The cubic root of 1344444690 is about 1103.6913700272.

The spelling of 1344444690 in words is "one billion, three hundred forty-four million, four hundred forty-four thousand, six hundred ninety".