498011540 has 48 divisors (see below), whose sum is σ = 1130709888. Its totient is φ = 183156864.

The previous prime is 498011471. The next prime is 498011561. The reversal of 498011540 is 45110894.

It is a junction number, because it is equal to n+sod(n) for n = 498011497 and 498011506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64739 + ... + 72021.

It is an arithmetic number, because the mean of its divisors is an integer number (23556456).

Almost surely, 2^498011540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498011540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565354944).

498011540 is an abundant number, since it is smaller than the sum of its proper divisors (632698348).

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

498011540 is a wasteful number, since it uses less digits than its factorization.

498011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568 (or 7566 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 498011540 is about 22316.1721628061. The cubic root of 498011540 is about 792.6469669421.

The spelling of 498011540 in words is "four hundred ninety-eight million, eleven thousand, five hundred forty".