397466667360 has 864 divisors, whose sum is σ = 1660174457760. Its totient is φ = 88554332160.

The previous prime is 397466667343. The next prime is 397466667371. The reversal of 397466667360 is 63766664793.

It is a tau number, because it is divible by the number of its divisors (864).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 355833522 + ... + 355834638.

It is an arithmetic number, because the mean of its divisors is an integer number (1921498215).

Almost surely, 2^397466667360 is an apocalyptic number.

397466667360 is a gapful number since it is divisible by the number (30) 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 397466667360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830087228880).

397466667360 is an abundant number, since it is smaller than the sum of its proper divisors (1262707790400).

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

397466667360 is a wasteful number, since it uses less digits than its factorization.

397466667360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 63.

The spelling of 397466667360 in words is "three hundred ninety-seven billion, four hundred sixty-six million, six hundred sixty-seven thousand, three hundred sixty".