4354340778 has 24 divisors (see below), whose sum is σ = 9759730500. Its totient is φ = 1401396864.

The previous prime is 4354340737. The next prime is 4354340791. The reversal of 4354340778 is 8770434534.

It can be written as a sum of positive squares in 2 ways, for example, as 4233714489 + 120626289 = 65067^2 + 10983^2 .

It is a super-2 number, since 2×4354340778² = 37920567221907290568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4170303 + ... + 4171346.

Almost surely, 2^4354340778 is an apocalyptic number.

4354340778 is an abundant number, since it is smaller than the sum of its proper divisors (5405389722).

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

4354340778 is a wasteful number, since it uses less digits than its factorization.

4354340778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341686 (or 8341683 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 4354340778 is about 65987.4289391548. The cubic root of 4354340778 is about 1632.9547042480.

The spelling of 4354340778 in words is "four billion, three hundred fifty-four million, three hundred forty thousand, seven hundred seventy-eight".