612022040 has 64 divisors (see below), whose sum is σ = 1579944960. Its totient is φ = 209013120.

The previous prime is 612022027. The next prime is 612022043. The reversal of 612022040 is 40220216.

612022040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612022043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69485 + ... + 77795.

It is an arithmetic number, because the mean of its divisors is an integer number (24686640).

Almost surely, 2^612022040 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 612022040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789972480).

612022040 is an abundant number, since it is smaller than the sum of its proper divisors (967922920).

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

612022040 is a wasteful number, since it uses less digits than its factorization.

612022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592 (or 8588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 612022040 is about 24739.0792067934. The cubic root of 612022040 is about 849.0286666763.

Adding to 612022040 its reverse (40220216), we get a palindrome (652242256).

The spelling of 612022040 in words is "six hundred twelve million, twenty-two thousand, forty".