619041344 has 28 divisors (see below), whose sum is σ = 1231524588. Its totient is φ = 308736000.

The previous prime is 619041289. The next prime is 619041377. The reversal of 619041344 is 443140916.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 447745600 + 171295744 = 21160^2 + 13088^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 619041344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13604 + ... + 37724.

It is an arithmetic number, because the mean of its divisors is an integer number (43983021).

Almost surely, 2^619041344 is an apocalyptic number.

619041344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

619041344 is a deficient number, since it is larger than the sum of its proper divisors (612483244).

619041344 is a wasteful number, since it uses less digits than its factorization.

619041344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534 (or 24524 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 619041344 is about 24880.5414732075. The cubic root of 619041344 is about 852.2621835587.

The spelling of 619041344 in words is "six hundred nineteen million, forty-one thousand, three hundred forty-four".