4540784378 has 16 divisors (see below), whose sum is σ = 7337800680. Its totient is φ = 2094978816.

The previous prime is 4540784363. The next prime is 4540784401. The reversal of 4540784378 is 8734870454.

It can be written as a sum of positive squares in 4 ways, for example, as 2346142969 + 2194641409 = 48437^2 + 46847^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43718 + ... + 104846.

Almost surely, 2^4540784378 is an apocalyptic number.

4540784378 is a deficient number, since it is larger than the sum of its proper divisors (2797016302).

4540784378 is a wasteful number, since it uses less digits than its factorization.

4540784378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64001.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The square root of 4540784378 is about 67385.3424566500. The cubic root of 4540784378 is about 1655.9363002737.

The spelling of 4540784378 in words is "four billion, five hundred forty million, seven hundred eighty-four thousand, three hundred seventy-eight".