497029940 has 48 divisors (see below), whose sum is σ = 1150438464. Its totient is φ = 178867200.

The previous prime is 497029889. The next prime is 497029943. The reversal of 497029940 is 49920794.

It is a super-2 number, since 2×497029940² = 494077522512807200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 497029891 and 497029900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497029943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9695 + ... + 32985.

It is an arithmetic number, because the mean of its divisors is an integer number (23967468).

Almost surely, 2^497029940 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 497029940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575219232).

497029940 is an abundant number, since it is smaller than the sum of its proper divisors (653408524).

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

497029940 is a wasteful number, since it uses less digits than its factorization.

497029940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23408 (or 23406 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 497029940 is about 22294.1682957674. The cubic root of 497029940 is about 792.1258451355.

The spelling of 497029940 in words is "four hundred ninety-seven million, twenty-nine thousand, nine hundred forty".