4050840 has 32 divisors (see below), whose sum is σ = 12152880. Its totient is φ = 1080192.

The previous prime is 4050833. The next prime is 4050847. The reversal of 4050840 is 480504.

It is an interprime number because it is at equal distance from previous prime (4050833) and next prime (4050847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16759 + ... + 16998.

Almost surely, 2^4050840 is an apocalyptic number.

4050840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4050840 is an abundant number, since it is smaller than the sum of its proper divisors (8102040).

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

4050840 is a wasteful number, since it uses less digits than its factorization.

4050840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33771 (or 33767 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4050840 is about 2012.6698686074. The cubic root of 4050840 is about 159.4098047785.

The spelling of 4050840 in words is "four million, fifty thousand, eight hundred forty".