609271040 has 144 divisors (see below), whose sum is σ = 1700673408. Its totient is φ = 204791808.

The previous prime is 609271021. The next prime is 609271057. The reversal of 609271040 is 40172906.

It is a super-2 number, since 2×609271040² = 742422400365363200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 609270994 and 609271012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474239 + ... + 475521.

It is an arithmetic number, because the mean of its divisors is an integer number (11810232).

Almost surely, 2^609271040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609271040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850336704).

609271040 is an abundant number, since it is smaller than the sum of its proper divisors (1091402368).

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

609271040 is a wasteful number, since it uses less digits than its factorization.

609271040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 609271040 is about 24683.4162951566. The cubic root of 609271040 is about 847.7546459991.

The spelling of 609271040 in words is "six hundred nine million, two hundred seventy-one thousand, forty".