1344740478 has 16 divisors (see below), whose sum is σ = 2690021136. Its totient is φ = 448156800.

The previous prime is 1344740473. The next prime is 1344740503. The reversal of 1344740478 is 8740474431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344740473) 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, 14550 + ... + 53862.

It is an arithmetic number, because the mean of its divisors is an integer number (168126321).

Almost surely, 2^1344740478 is an apocalyptic number.

1344740478 is an abundant number, since it is smaller than the sum of its proper divisors (1345280658).

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

1344740478 is a wasteful number, since it uses less digits than its factorization.

1344740478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019.

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 1344740478 is about 36670.7032656861. The cubic root of 1344740478 is about 1103.7723042417.

The spelling of 1344740478 in words is "one billion, three hundred forty-four million, seven hundred forty thousand, four hundred seventy-eight".