497470262945040 has 1280 divisors, whose sum is σ = 2303608959590400. Its totient is φ = 95541335654400.

The previous prime is 497470262945023. The next prime is 497470262945041. The reversal of 497470262945040 is 40549262074794.

497470262945040 is a `hidden beast` number, since 4 + 9 + 7 + 470 + 26 + 2 + 94 + 50 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (497470262945041) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 127643484 + ... + 131483076.

It is an arithmetic number, because the mean of its divisors is an integer number (1799694499680).

Almost surely, 2^{497470262945040} is an apocalyptic number.

497470262945040 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 497470262945040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151804479795200).

497470262945040 is an abundant number, since it is smaller than the sum of its proper divisors (1806138696645360).

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

497470262945040 is a wasteful number, since it uses less digits than its factorization.

497470262945040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839693 (or 3839681 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 497470262945040 in words is "four hundred ninety-seven trillion, four hundred seventy billion, two hundred sixty-two million, nine hundred forty-five thousand, forty".