490551363456 has 128 divisors (see below), whose sum is σ = 1624553314560. Its totient is φ = 127415930880.

The previous prime is 490551363431. The next prime is 490551363457. The reversal of 490551363456 is 654363155094.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×490551363456² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490551363399 and 490551363408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490551363457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8265741 + ... + 8324876.

It is an arithmetic number, because the mean of its divisors is an integer number (12691822770).

Almost surely, 2^490551363456 is an apocalyptic number.

It is an amenable number.

490551363456 is an abundant number, since it is smaller than the sum of its proper divisors (1134001951104).

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

490551363456 is a wasteful number, since it uses less digits than its factorization.

490551363456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590652 (or 16590640 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 490551363456 in words is "four hundred ninety billion, five hundred fifty-one million, three hundred sixty-three thousand, four hundred fifty-six".