1916440754 has 8 divisors (see below), whose sum is σ = 2881831068. Its totient is φ = 955830400.

The previous prime is 1916440751. The next prime is 1916440777. The reversal of 1916440754 is 4570446191.

It can be written as a sum of positive squares in 2 ways, for example, as 1852872025 + 63568729 = 43045^2 + 7973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1916440751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193987 + ... + 1195590.

Almost surely, 2^1916440754 is an apocalyptic number.

1916440754 is a deficient number, since it is larger than the sum of its proper divisors (965390314).

1916440754 is a wasteful number, since it uses less digits than its factorization.

1916440754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389980.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1916440754 is about 43777.1716080425. The cubic root of 1916440754 is about 1242.1245130903.

The spelling of 1916440754 in words is "one billion, nine hundred sixteen million, four hundred forty thousand, seven hundred fifty-four".