612264240 has 480 divisors, whose sum is σ = 2506982400. Its totient is φ = 130959360.

The previous prime is 612264223. The next prime is 612264241. The reversal of 612264240 is 42462216.

612264240 is a `hidden beast` number, since 6 + 12 + 2 + 642 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (612264241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8623405 + ... + 8623475.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^612264240 is an apocalyptic number.

612264240 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 612264240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253491200).

612264240 is an abundant number, since it is smaller than the sum of its proper divisors (1894718160).

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

612264240 is a wasteful number, since it uses less digits than its factorization.

612264240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 612264240 is about 24743.9738118193. The cubic root of 612264240 is about 849.1406493664.

The spelling of 612264240 in words is "six hundred twelve million, two hundred sixty-four thousand, two hundred forty".