3842636215320 has 384 divisors, whose sum is σ = 15124938192000. Its totient is φ = 827345756160.

The previous prime is 3842636215303. The next prime is 3842636215471. The reversal of 3842636215320 is 235126362483.

3842636215320 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 636 + 2 + 1 + 5 + 3 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2355046 + ... + 3637514.

It is an arithmetic number, because the mean of its divisors is an integer number (39387859875).

Almost surely, 2^{3842636215320} is an apocalyptic number.

3842636215320 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 3842636215320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7562469096000).

3842636215320 is an abundant number, since it is smaller than the sum of its proper divisors (11282301976680).

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

3842636215320 is a wasteful number, since it uses less digits than its factorization.

3842636215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282563 (or 1282556 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 3842636215320 in words is "three trillion, eight hundred forty-two billion, six hundred thirty-six million, two hundred fifteen thousand, three hundred twenty".