498574440 has 640 divisors, whose sum is σ = 2195424000. Its totient is φ = 98537472.

The previous prime is 498574429. The next prime is 498574499. The reversal of 498574440 is 44475894.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5601916 + ... + 5602004.

It is an arithmetic number, because the mean of its divisors is an integer number (3430350).

Almost surely, 2^498574440 is an apocalyptic number.

498574440 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 498574440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097712000).

498574440 is an abundant number, since it is smaller than the sum of its proper divisors (1696849560).

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

498574440 is a wasteful number, since it uses less digits than its factorization.

498574440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 498574440 is about 22328.7805309650. The cubic root of 498574440 is about 792.9454961541.

The spelling of 498574440 in words is "four hundred ninety-eight million, five hundred seventy-four thousand, four hundred forty".