40628844 has 48 divisors (see below), whose sum is σ = 111535200. Its totient is φ = 12745728.

The previous prime is 40628839. The next prime is 40628869. The reversal of 40628844 is 44882604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40628799 and 40628808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9229 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (2323650).

Almost surely, 2^40628844 is an apocalyptic number.

It is an amenable number.

40628844 is an abundant number, since it is smaller than the sum of its proper divisors (70906356).

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

40628844 is a wasteful number, since it uses less digits than its factorization.

40628844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22159 (or 22151 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40628844 is about 6374.0759330275. The cubic root of 40628844 is about 343.7780590209.

The spelling of 40628844 in words is "forty million, six hundred twenty-eight thousand, eight hundred forty-four".