490741945488 has 120 divisors (see below), whose sum is σ = 1493486395128. Its totient is φ = 149797195776.

The previous prime is 490741945481. The next prime is 490741945501. The reversal of 490741945488 is 884549147094.

490741945488 is a `hidden beast` number, since 4 + 9 + 0 + 74 + 19 + 4 + 548 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 158952121344 + 331789824144 = 398688^2 + 576012^2 .

It is a super-2 number, since 2×490741945488² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490741945481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2618431 + ... + 2799582.

Almost surely, 2^490741945488 is an apocalyptic number.

490741945488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490741945488 is an abundant number, since it is smaller than the sum of its proper divisors (1002744449640).

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

490741945488 is a wasteful number, since it uses less digits than its factorization.

490741945488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418081 (or 5418072 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 490741945488 in words is "four hundred ninety billion, seven hundred forty-one million, nine hundred forty-five thousand, four hundred eighty-eight".