611440486496 has 24 divisors (see below), whose sum is σ = 1375741095120. Its totient is φ = 262045922688.

The previous prime is 611440486493. The next prime is 611440486529. The reversal of 611440486496 is 694684044116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611440486493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364822291 + ... + 1364822738.

It is an arithmetic number, because the mean of its divisors is an integer number (57322545630).

Almost surely, 2^611440486496 is an apocalyptic number.

It is an amenable number.

611440486496 is an abundant number, since it is smaller than the sum of its proper divisors (764300608624).

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

611440486496 is a wasteful number, since it uses less digits than its factorization.

611440486496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729645046 (or 2729645038 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 611440486496 in words is "six hundred eleven billion, four hundred forty million, four hundred eighty-six thousand, four hundred ninety-six".