4490239628985 has 32 divisors (see below), whose sum is σ = 7837649786880. Its totient is φ = 2177046820800.

The previous prime is 4490239628923. The next prime is 4490239628989. The reversal of 4490239628985 is 5898269320944.

It is not a de Polignac number, because 4490239628985 - 2⁷ = 4490239628857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4490239628989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10376176 + ... + 10800254.

It is an arithmetic number, because the mean of its divisors is an integer number (244926555840).

Almost surely, 2^{4490239628985} is an apocalyptic number.

It is an amenable number.

4490239628985 is a deficient number, since it is larger than the sum of its proper divisors (3347410157895).

4490239628985 is a wasteful number, since it uses less digits than its factorization.

4490239628985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488269.

The product of its (nonzero) digits is 268738560, while the sum is 69.

The spelling of 4490239628985 in words is "four trillion, four hundred ninety billion, two hundred thirty-nine million, six hundred twenty-eight thousand, nine hundred eighty-five".