40989096 has 48 divisors (see below), whose sum is σ = 112175700. Its totient is φ = 13519872.

The previous prime is 40989077. The next prime is 40989097. The reversal of 40989096 is 69098904.

It can be written as a sum of positive squares in 2 ways, for example, as 38266596 + 2722500 = 6186^2 + 1650^2 .

It is a super-3 number, since 3×40989096³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40989097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4050 + ... + 9918.

Almost surely, 2^40989096 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 40989096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56087850).

40989096 is an abundant number, since it is smaller than the sum of its proper divisors (71186604).

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

40989096 is a wasteful number, since it uses less digits than its factorization.

40989096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978 (or 5971 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 40989096 is about 6402.2727214638. The cubic root of 40989096 is about 344.7911527419.

The spelling of 40989096 in words is "forty million, nine hundred eighty-nine thousand, ninety-six".