497493240 has 32 divisors (see below), whose sum is σ = 1492480080. Its totient is φ = 132664832.

The previous prime is 497493233. The next prime is 497493259. The reversal of 497493240 is 42394794.

It is a junction number, because it is equal to n+sod(n) for n = 497493192 and 497493201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072769 + ... + 2073008.

Almost surely, 2^497493240 is an apocalyptic number.

497493240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497493240 is an abundant number, since it is smaller than the sum of its proper divisors (994986840).

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

497493240 is a wasteful number, since it uses less digits than its factorization.

497493240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145791 (or 4145787 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 497493240 is about 22304.5564851669. The cubic root of 497493240 is about 792.3718919727.

The spelling of 497493240 in words is "four hundred ninety-seven million, four hundred ninety-three thousand, two hundred forty".