40089760 has 48 divisors (see below), whose sum is σ = 96931296. Its totient is φ = 15660288.

The previous prime is 40089737. The next prime is 40089761. The reversal of 40089760 is 6798004.

It is not an unprimeable number, because it can be changed into a prime (40089761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (2019402).

Almost surely, 2^40089760 is an apocalyptic number.

40089760 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 40089760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48465648).

40089760 is an abundant number, since it is smaller than the sum of its proper divisors (56841536).

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

40089760 is a wasteful number, since it uses less digits than its factorization.

40089760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40089760 is about 6331.6474949258. The cubic root of 40089760 is about 342.2508106275.

The spelling of 40089760 in words is "forty million, eighty-nine thousand, seven hundred sixty".