611403040044 has 36 divisors (see below), whose sum is σ = 1551367433616. Its totient is φ = 203026101408.

The previous prime is 611403039997. The next prime is 611403040099. The reversal of 611403040044 is 440040304116.

611403040044 is a `hidden beast` number, since 611 + 4 + 0 + 3 + 0 + 4 + 0 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32278399 + ... + 32297334.

Almost surely, 2^611403040044 is an apocalyptic number.

It is an amenable number.

611403040044 is an abundant number, since it is smaller than the sum of its proper divisors (939964393572).

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

611403040044 is a wasteful number, since it uses less digits than its factorization.

611403040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64576006 (or 64576001 counting only the distinct ones).

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

The spelling of 611403040044 in words is "six hundred eleven billion, four hundred three million, forty thousand, forty-four".