40946144 has 24 divisors (see below), whose sum is σ = 83394360. Its totient is φ = 19766656.

The previous prime is 40946137. The next prime is 40946153. The reversal of 40946144 is 44164904.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 40946144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21134 + ... + 22989.

It is an arithmetic number, because the mean of its divisors is an integer number (3474765).

Almost surely, 2^40946144 is an apocalyptic number.

It is an amenable number.

40946144 is an abundant number, since it is smaller than the sum of its proper divisors (42448216).

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

40946144 is a wasteful number, since it uses less digits than its factorization.

40946144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44162 (or 44154 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40946144 is about 6398.9174084371. The cubic root of 40946144 is about 344.6706764288.

The spelling of 40946144 in words is "forty million, nine hundred forty-six thousand, one hundred forty-four".