396204883440 has 320 divisors, whose sum is σ = 1330869104640. Its totient is φ = 97205391360.

The previous prime is 396204883379. The next prime is 396204883447. The reversal of 396204883440 is 44388402693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396204883447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43377114 + ... + 43386246.

It is an arithmetic number, because the mean of its divisors is an integer number (4158965952).

Almost surely, 2^396204883440 is an apocalyptic number.

396204883440 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 396204883440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665434552320).

396204883440 is an abundant number, since it is smaller than the sum of its proper divisors (934664221200).

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

396204883440 is a wasteful number, since it uses less digits than its factorization.

396204883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 396204883440 in words is "three hundred ninety-six billion, two hundred four million, eight hundred eighty-three thousand, four hundred forty".