396965458650 has 24 divisors (see below), whose sum is σ = 984474337824. Its totient is φ = 105857455600.

The previous prime is 396965458621. The next prime is 396965458657. The reversal of 396965458650 is 56854569693.

It is a super-2 number, since 2×396965458650² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396965458657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1323218046 + ... + 1323218345.

It is an arithmetic number, because the mean of its divisors is an integer number (41019764076).

Almost surely, 2^396965458650 is an apocalyptic number.

396965458650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396965458650 is an abundant number, since it is smaller than the sum of its proper divisors (587508879174).

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

396965458650 is a wasteful number, since it uses less digits than its factorization.

396965458650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646436406 (or 2646436401 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 66.

The spelling of 396965458650 in words is "three hundred ninety-six billion, nine hundred sixty-five million, four hundred fifty-eight thousand, six hundred fifty".