40905060 has 144 divisors (see below), whose sum is σ = 139461504. Its totient is φ = 8773632.

The previous prime is 40905037. The next prime is 40905061. The reversal of 40905060 is 6050904.

It is a self number, because there is not a number n which added to its sum of digits gives 40905060.

It is not an unprimeable number, because it can be changed into a prime (40905061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121212 + ... + 121548.

Almost surely, 2^40905060 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 40905060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69730752).

40905060 is an abundant number, since it is smaller than the sum of its proper divisors (98556444).

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

40905060 is a wasteful number, since it uses less digits than its factorization.

40905060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40905060 is about 6395.7063722469. The cubic root of 40905060 is about 344.5553608185. Note that the first 3 decimals are identical.

Adding to 40905060 its reverse (6050904), we get a palindrome (46955964).

The spelling of 40905060 in words is "forty million, nine hundred five thousand, sixty".