612354240 has 168 divisors, whose sum is σ = 2121865200. Its totient is φ = 162084864.

The previous prime is 612354233. The next prime is 612354241. The reversal of 612354240 is 42453216.

612354240 is a `hidden beast` number, since 6 + 1 + 235 + 424 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (612354241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428407 + ... + 429833.

It is an arithmetic number, because the mean of its divisors is an integer number (12630150).

Almost surely, 2^612354240 is an apocalyptic number.

612354240 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 612354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060932600).

612354240 is an abundant number, since it is smaller than the sum of its proper divisors (1509510960).

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

612354240 is a wasteful number, since it uses less digits than its factorization.

612354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 612354240 is about 24745.7923696131. The cubic root of 612354240 is about 849.1822539053.

The spelling of 612354240 in words is "six hundred twelve million, three hundred fifty-four thousand, two hundred forty".