40954816 has 56 divisors (see below), whose sum is σ = 93817440. Its totient is φ = 17375232.

The previous prime is 40954811. The next prime is 40954831. The reversal of 40954816 is 61845904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40954811) 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, 50220 + ... + 51028.

Almost surely, 2^40954816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40954816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46908720).

40954816 is an abundant number, since it is smaller than the sum of its proper divisors (52862624).

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

40954816 is a wasteful number, since it uses less digits than its factorization.

40954816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40954816 is about 6399.5949871847. The cubic root of 40954816 is about 344.6950073574.

It can be divided in two parts, 4095 and 4816, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 40954816 in words is "forty million, nine hundred fifty-four thousand, eight hundred sixteen".