609125211840 has 112 divisors (see below), whose sum is σ = 1934831812320. Its totient is φ = 162361221120.

The previous prime is 609125211833. The next prime is 609125211853. The reversal of 609125211840 is 48112521906.

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, 2038420 + ... + 2318060.

Almost surely, 2^609125211840 is an apocalyptic number.

609125211840 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 609125211840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967415906160).

609125211840 is an abundant number, since it is smaller than the sum of its proper divisors (1325706600480).

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

609125211840 is a wasteful number, since it uses less digits than its factorization.

609125211840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281930 (or 281920 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 609125211840 in words is "six hundred nine billion, one hundred twenty-five million, two hundred eleven thousand, eight hundred forty".