4131840 has 88 divisors (see below), whose sum is σ = 13264560. Its totient is φ = 1097728.

The previous prime is 4131839. The next prime is 4131851. The reversal of 4131840 is 481314.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15226 + ... + 15494.

Almost surely, 2^4131840 is an apocalyptic number.

4131840 is a gapful number since it is divisible by the number (40) 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 4131840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6632280).

4131840 is an abundant number, since it is smaller than the sum of its proper divisors (9132720).

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

4131840 is a wasteful number, since it uses less digits than its factorization.

4131840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4131840 is about 2032.6927952841. The cubic root of 4131840 is about 160.4653121337.

The spelling of 4131840 in words is "four million, one hundred thirty-one thousand, eight hundred forty".