498431880 has 112 divisors (see below), whose sum is σ = 1681536780. Its totient is φ = 132907392.

The previous prime is 498431837. The next prime is 498431887. The reversal of 498431880 is 88134894.

It can be written as a sum of positive squares in 2 ways, for example, as 497379204 + 1052676 = 22302^2 + 1026^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (498431887) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 20614 + ... + 37706.

Almost surely, 2^498431880 is an apocalyptic number.

498431880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498431880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840768390).

498431880 is an abundant number, since it is smaller than the sum of its proper divisors (1183104900).

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

498431880 is a wasteful number, since it uses less digits than its factorization.

498431880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122 (or 17103 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 498431880 is about 22325.5880101734. The cubic root of 498431880 is about 792.8699119304.

It can be divided in two parts, 4984 and 31880, that added together give a square (36864 = 192²).

The spelling of 498431880 in words is "four hundred ninety-eight million, four hundred thirty-one thousand, eight hundred eighty".