490727582640 has 120 divisors (see below), whose sum is σ = 1648396870848. Its totient is φ = 130831303680.

The previous prime is 490727582627. The next prime is 490727582677. The reversal of 490727582640 is 46285727094.

490727582640 is a `hidden beast` number, since 490 + 7 + 2 + 75 + 82 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3231292 + ... + 3379748.

Almost surely, 2^490727582640 is an apocalyptic number.

490727582640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490727582640 is an abundant number, since it is smaller than the sum of its proper divisors (1157669288208).

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

490727582640 is a wasteful number, since it uses less digits than its factorization.

490727582640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153067 (or 153058 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 490727582640 in words is "four hundred ninety billion, seven hundred twenty-seven million, five hundred eighty-two thousand, six hundred forty".