2381835456 has 896 divisors, whose sum is σ = 10077419520. Its totient is φ = 537477120.

The previous prime is 2381835437. The next prime is 2381835481. The reversal of 2381835456 is 6545381832.

2381835456 is a `hidden beast` number, since 23 + 8 + 1 + 83 + 545 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 140107960 + ... + 140107976.

It is an arithmetic number, because the mean of its divisors is an integer number (11247120).

Almost surely, 2^2381835456 is an apocalyptic number.

2381835456 is a gapful number since it is divisible by the number (26) 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 2381835456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5038709760).

2381835456 is an abundant number, since it is smaller than the sum of its proper divisors (7695584064).

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

2381835456 is a wasteful number, since it uses less digits than its factorization.

2381835456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 53 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 2381835456 is about 48804.0516350846. The cubic root of 2381835456 is about 1335.4795802533.

The spelling of 2381835456 in words is "two billion, three hundred eighty-one million, eight hundred thirty-five thousand, four hundred fifty-six".