396746642000 has 160 divisors (see below), whose sum is σ = 1003405777920. Its totient is φ = 151440537600.

The previous prime is 396746641987. The next prime is 396746642053. The reversal of 396746642000 is 246647693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19908041 + ... + 19927959.

It is an arithmetic number, because the mean of its divisors is an integer number (6271286112).

Almost surely, 2^396746642000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396746642000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501702888960).

396746642000 is an abundant number, since it is smaller than the sum of its proper divisors (606659135920).

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

396746642000 is a wasteful number, since it uses less digits than its factorization.

396746642000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398 (or 20382 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 396746642000 in words is "three hundred ninety-six billion, seven hundred forty-six million, six hundred forty-two thousand".