40803820 has 12 divisors (see below), whose sum is σ = 85688064. Its totient is φ = 16321520.

The previous prime is 40803809. The next prime is 40803821. The reversal of 40803820 is 2830804.

It is not an unprimeable number, because it can be changed into a prime (40803821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020076 + ... + 1020115.

It is an arithmetic number, because the mean of its divisors is an integer number (7140672).

Almost surely, 2^40803820 is an apocalyptic number.

It is an amenable number.

40803820 is an abundant number, since it is smaller than the sum of its proper divisors (44884244).

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

40803820 is a wasteful number, since it uses less digits than its factorization.

40803820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040200 (or 2040198 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 40803820 is about 6387.7867841687. The cubic root of 40803820 is about 344.2708678759.

The spelling of 40803820 in words is "forty million, eight hundred three thousand, eight hundred twenty".