40940480 has 112 divisors (see below), whose sum is σ = 113995200. Its totient is φ = 13999104.

The previous prime is 40940443. The next prime is 40940519. The reversal of 40940480 is 8404904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×40940480² = 3352245805260800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 109574 + ... + 109946.

Almost surely, 2^40940480 is an apocalyptic number.

40940480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56997600).

40940480 is an abundant number, since it is smaller than the sum of its proper divisors (73054720).

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

40940480 is an equidigital number, since it uses as much as digits as its factorization.

40940480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40940480 is about 6398.4748182672. The cubic root of 40940480 is about 344.6547831558.

The spelling of 40940480 in words is "forty million, nine hundred forty thousand, four hundred eighty".