490000455 has 64 divisors (see below), whose sum is σ = 1009336320. Its totient is φ = 220900608.

The previous prime is 490000421. The next prime is 490000457. The reversal of 490000455 is 554000094.

It is not a de Polignac number, because 490000455 - 2¹⁰ = 489999431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490000457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65434 + ... + 72536.

It is an arithmetic number, because the mean of its divisors is an integer number (15770880).

Almost surely, 2^490000455 is an apocalyptic number.

490000455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

490000455 is an abundant number, since it is smaller than the sum of its proper divisors (519335865).

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

490000455 is a wasteful number, since it uses less digits than its factorization.

490000455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7191 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 490000455 is about 22135.9538985787. The cubic root of 490000455 is about 788.3737603308.

It can be divided in two parts, 49000045 and 5, that added together give a triangular number (49000050 = T₉₈₉₉).

The spelling of 490000455 in words is "four hundred ninety million, four hundred fifty-five", and thus it is an aban number.