497678400 has 504 divisors, whose sum is σ = 1989917280. Its totient is φ = 117227520.

The previous prime is 497678399. The next prime is 497678407. The reversal of 497678400 is 4876794.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (497678407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4651147 + ... + 4651253.

Almost surely, 2^497678400 is an apocalyptic number.

497678400 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 497678400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994958640).

497678400 is an abundant number, since it is smaller than the sum of its proper divisors (1492238880).

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

497678400 is a wasteful number, since it uses less digits than its factorization.

497678400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 497678400 is about 22308.7068204322. The cubic root of 497678400 is about 792.4701830111.

The spelling of 497678400 in words is "four hundred ninety-seven million, six hundred seventy-eight thousand, four hundred".