609150540 has 48 divisors (see below), whose sum is σ = 1712981088. Its totient is φ = 161739264.

The previous prime is 609150523. The next prime is 609150541. The reversal of 609150540 is 45051906.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 609150498 and 609150507.

It is not an unprimeable number, because it can be changed into a prime (609150541) 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, 7807 + ... + 35766.

It is an arithmetic number, because the mean of its divisors is an integer number (35687106).

Almost surely, 2^609150540 is an apocalyptic number.

609150540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609150540 is an abundant number, since it is smaller than the sum of its proper divisors (1103830548).

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

609150540 is a wasteful number, since it uses less digits than its factorization.

609150540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43818 (or 43816 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 609150540 is about 24680.9752643610. The cubic root of 609150540 is about 847.6987534305.

The spelling of 609150540 in words is "six hundred nine million, one hundred fifty thousand, five hundred forty".