490490756122 has 8 divisors (see below), whose sum is σ = 735742125972. Its totient is φ = 245243380800.

The previous prime is 490490756117. The next prime is 490490756141. The reversal of 490490756122 is 221657094094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 490376672361 + 114083761 = 700269^2 + 10681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×490490756122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670029 + ... + 1195792.

Almost surely, 2^490490756122 is an apocalyptic number.

490490756122 is a deficient number, since it is larger than the sum of its proper divisors (245251369850).

490490756122 is a wasteful number, since it uses less digits than its factorization.

490490756122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997264.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 490490756122 in words is "four hundred ninety billion, four hundred ninety million, seven hundred fifty-six thousand, one hundred twenty-two".