612274240 has 56 divisors (see below), whose sum is σ = 1534728960. Its totient is φ = 232017408.

The previous prime is 612274231. The next prime is 612274241. The reversal of 612274240 is 42472216.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 612274199 and 612274208.

It is not an unprimeable number, because it can be changed into a prime (612274241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44272 + ... + 56431.

Almost surely, 2^612274240 is an apocalyptic number.

It is an amenable number.

612274240 is an abundant number, since it is smaller than the sum of its proper divisors (922454720).

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

612274240 is a wasteful number, since it uses less digits than its factorization.

612274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100739 (or 100729 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 612274240 is about 24744.1758803966. The cubic root of 612274240 is about 849.1452722943.

The spelling of 612274240 in words is "six hundred twelve million, two hundred seventy-four thousand, two hundred forty".