4540045438 has 8 divisors (see below), whose sum is σ = 6811093080. Its totient is φ = 2269681080.

The previous prime is 4540045429. The next prime is 4540045441. The reversal of 4540045438 is 8345400454.

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

It is a super-2 number, since 2×4540045438² = 41224025158209223688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540045397 and 4540045406.

It is a congruent number.

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, 153873 + ... + 180988.

It is an arithmetic number, because the mean of its divisors is an integer number (851386635).

Almost surely, 2^4540045438 is an apocalyptic number.

4540045438 is a deficient number, since it is larger than the sum of its proper divisors (2271047642).

4540045438 is a wasteful number, since it uses less digits than its factorization.

4540045438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341642.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 4540045438 is about 67379.8592904438. The cubic root of 4540045438 is about 1655.8464696886.

The spelling of 4540045438 in words is "four billion, five hundred forty million, forty-five thousand, four hundred thirty-eight".