397467202500 has 315 divisors, whose sum is σ = 1305972273067. Its totient is φ = 105764292000.

The previous prime is 397467202471. The next prime is 397467202541. The reversal of 397467202500 is 5202764793.

The square root of 397467202500 is 630450.

It is a perfect power (a square), and thus also a powerful number.

397467202500 is a `hidden beast` number, since 3 + 9 + 74 + 6 + 72 + 0 + 2 + 500 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31161428676 + 366305773824 = 176526^2 + 605232^2 .

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 851107267 + ... + 851107733.

Almost surely, 2^397467202500 is an apocalyptic number.

397467202500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397467202500 is the 630450-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397467202500

397467202500 is an abundant number, since it is smaller than the sum of its proper divisors (908505070567).

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

397467202500 is an frugal number, since it uses more digits than its factorization.

397467202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 397467202500 in words is "three hundred ninety-seven billion, four hundred sixty-seven million, two hundred two thousand, five hundred".