4545820838 has 32 divisors (see below), whose sum is σ = 7422728544. Its totient is φ = 2075473152.

The previous prime is 4545820837. The next prime is 4545820841. The reversal of 4545820838 is 8380285454.

It is a junction number, because it is equal to n+sod(n) for n = 4545820792 and 4545820801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545820837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091456 + ... + 1095612.

It is an arithmetic number, because the mean of its divisors is an integer number (231960267).

Almost surely, 2^4545820838 is an apocalyptic number.

4545820838 is a deficient number, since it is larger than the sum of its proper divisors (2876907706).

4545820838 is a wasteful number, since it uses less digits than its factorization.

4545820838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 1228800, while the sum is 47.

The square root of 4545820838 is about 67422.7026898210. The cubic root of 4545820838 is about 1656.5483072645.

The spelling of 4545820838 in words is "four billion, five hundred forty-five million, eight hundred twenty thousand, eight hundred thirty-eight".