1344051618 has 64 divisors (see below), whose sum is σ = 3353855232. Its totient is φ = 349608960.

The previous prime is 1344051607. The next prime is 1344051623. The reversal of 1344051618 is 8161504431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22998 + ... + 56718.

It is an arithmetic number, because the mean of its divisors is an integer number (52403988).

Almost surely, 2^1344051618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344051618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676927616).

1344051618 is an abundant number, since it is smaller than the sum of its proper divisors (2009803614).

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

1344051618 is a wasteful number, since it uses less digits than its factorization.

1344051618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1344051618 is about 36661.3095510785. The cubic root of 1344051618 is about 1103.5837983625.

The spelling of 1344051618 in words is "one billion, three hundred forty-four million, fifty-one thousand, six hundred eighteen".