440990606628 has 432 divisors, whose sum is σ = 1414268663808. Its totient is φ = 114789312000.

The previous prime is 440990606579. The next prime is 440990606653. The reversal of 440990606628 is 826606099044.

440990606628 is a `hidden beast` number, since 4 + 4 + 0 + 9 + 9 + 0 + 6 + 0 + 6 + 628 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 48185853 + ... + 48195003.

Almost surely, 2^440990606628 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 440990606628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707134331904).

440990606628 is an abundant number, since it is smaller than the sum of its proper divisors (973278057180).

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

440990606628 is a wasteful number, since it uses less digits than its factorization.

440990606628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256 (or 9240 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 440990606628 in words is "four hundred forty billion, nine hundred ninety million, six hundred six thousand, six hundred twenty-eight".