497661120 has 336 divisors, whose sum is σ = 1951402752. Its totient is φ = 115230720.

The previous prime is 497661103. The next prime is 497661121. The reversal of 497661120 is 21166794.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (497661121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 728299 + ... + 728981.

Almost surely, 2^497661120 is an apocalyptic number.

497661120 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 497661120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975701376).

497661120 is an abundant number, since it is smaller than the sum of its proper divisors (1453741632).

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

497661120 is a wasteful number, since it uses less digits than its factorization.

497661120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 497661120 is about 22308.3195243389. The cubic root of 497661120 is about 792.4610110617.

The spelling of 497661120 in words is "four hundred ninety-seven million, six hundred sixty-one thousand, one hundred twenty".