497895272400 has 240 divisors, whose sum is σ = 1689773258304. Its totient is φ = 124885770240.

The previous prime is 497895272393. The next prime is 497895272401. The reversal of 497895272400 is 4272598794.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497895272401) 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, 38284299 + ... + 38297301.

Almost surely, 2^497895272400 is an apocalyptic number.

497895272400 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 497895272400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844886629152).

497895272400 is an abundant number, since it is smaller than the sum of its proper divisors (1191877985904).

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

497895272400 is a wasteful number, since it uses less digits than its factorization.

497895272400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14918 (or 14907 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 497895272400 in words is "four hundred ninety-seven billion, eight hundred ninety-five million, two hundred seventy-two thousand, four hundred".