4589020840 has 24 divisors (see below), whose sum is σ = 10326260970. Its totient is φ = 1835436960.

The previous prime is 4589020831. The next prime is 4589020853. The reversal of 4589020840 is 480209854.

It can be written as a sum of positive squares in only one way, i.e., 4130118756 + 458902084 = 64266^2 + 21422^2 .

It is a super-2 number, since 2×4589020840² = 42118224539908611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4589020793 and 4589020802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423085 + ... + 433795.

Almost surely, 2^4589020840 is an apocalyptic number.

4589020840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4589020840 is an abundant number, since it is smaller than the sum of its proper divisors (5737240130).

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

4589020840 is an frugal number, since it uses more digits than its factorization.

4589020840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433 (or 10718 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 4589020840 is about 67742.3120361270. The cubic root of 4589020840 is about 1661.7792940736.

Multiplying 4589020840 by its sum of digits (40), we get a square (183560833600 = 428440²).

4589020840 divided by its sum of digits (40) gives a square (114725521 = 10711²).

Multiplying 4589020840 by its product of nonzero digits (92160), we get a square (422924160614400 = 20565120²).

The spelling of 4589020840 in words is "four billion, five hundred eighty-nine million, twenty thousand, eight hundred forty".