4545400020 has 96 divisors (see below), whose sum is σ = 15310848000. Its totient is φ = 984265344.

The previous prime is 4545400019. The next prime is 4545400063. The reversal of 4545400020 is 200045454.

It is a super-2 number, since 2×4545400020² = 41321322683632000800, which contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 276820 + ... + 292779.

It is an arithmetic number, because the mean of its divisors is an integer number (159488000).

Almost surely, 2^4545400020 is an apocalyptic number.

It is an amenable number.

4545400020 is an abundant number, since it is smaller than the sum of its proper divisors (10765447980).

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

4545400020 is a wasteful number, since it uses less digits than its factorization.

4545400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569637 (or 569635 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4545400020 is about 67419.5818735180. The cubic root of 4545400020 is about 1656.4971887476.

Adding to 4545400020 its reverse (200045454), we get a palindrome (4745445474).

The spelling of 4545400020 in words is "four billion, five hundred forty-five million, four hundred thousand, twenty".