497640048 has 80 divisors (see below), whose sum is σ = 1369198080. Its totient is φ = 155204608.

The previous prime is 497640037. The next prime is 497640053. The reversal of 497640048 is 840046794.

It is a junction number, because it is equal to n+sod(n) for n = 497639991 and 497640009.

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, 144361 + ... + 147767.

It is an arithmetic number, because the mean of its divisors is an integer number (17114976).

Almost surely, 2^497640048 is an apocalyptic number.

497640048 is a gapful number since it is divisible by the number (48) 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 497640048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684599040).

497640048 is an abundant number, since it is smaller than the sum of its proper divisors (871558032).

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

497640048 is a wasteful number, since it uses less digits than its factorization.

497640048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 497640048 is about 22307.8472291703. The cubic root of 497640048 is about 792.4498260917.

The spelling of 497640048 in words is "four hundred ninety-seven million, six hundred forty thousand, forty-eight".