612295040 has 128 divisors (see below), whose sum is σ = 1691323200. Its totient is φ = 207618048.

The previous prime is 612295039. The next prime is 612295049. The reversal of 612295040 is 40592216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 612294994 and 612295012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612295049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433856 + ... + 435264.

Almost surely, 2^612295040 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 612295040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845661600).

612295040 is an abundant number, since it is smaller than the sum of its proper divisors (1079028160).

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

612295040 is a wasteful number, since it uses less digits than its factorization.

612295040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 612295040 is about 24744.5961777516. The cubic root of 612295040 is about 849.1548878230.

The spelling of 612295040 in words is "six hundred twelve million, two hundred ninety-five thousand, forty".