3913343280 has 1200 divisors, whose sum is σ = 18390822912. Its totient is φ = 752716800.

The previous prime is 3913343267. The next prime is 3913343321. The reversal of 3913343280 is 823433193.

3913343280 is a `hidden beast` number, since 39 + 1 + 3 + 343 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 126236865 + ... + 126236895.

Almost surely, 2^3913343280 is an apocalyptic number.

3913343280 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 3913343280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9195411456).

3913343280 is an abundant number, since it is smaller than the sum of its proper divisors (14477479632).

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

3913343280 is a wasteful number, since it uses less digits than its factorization.

3913343280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3913343280 is about 62556.7205022770. The cubic root of 3913343280 is about 1575.8540130349.

The spelling of 3913343280 in words is "three billion, nine hundred thirteen million, three hundred forty-three thousand, two hundred eighty".