609477480 has 128 divisors (see below), whose sum is σ = 2038320000. Its totient is φ = 161989632.

The previous prime is 609477469. The next prime is 609477503. The reversal of 609477480 is 84774906.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408576 + ... + 410064.

It is an arithmetic number, because the mean of its divisors is an integer number (15924375).

Almost surely, 2^609477480 is an apocalyptic number.

609477480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609477480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019160000).

609477480 is an abundant number, since it is smaller than the sum of its proper divisors (1428842520).

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

609477480 is a wasteful number, since it uses less digits than its factorization.

609477480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 609477480 is about 24687.5976960092. The cubic root of 609477480 is about 847.8503837441.

The spelling of 609477480 in words is "six hundred nine million, four hundred seventy-seven thousand, four hundred eighty".