40995840 has 176 divisors, whose sum is σ = 139720032. Its totient is φ = 10223616.

The previous prime is 40995827. The next prime is 40995847. The reversal of 40995840 is 4859904.

It is not an unprimeable number, because it can be changed into a prime (40995847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261042 + ... + 261198.

Almost surely, 2^40995840 is an apocalyptic number.

40995840 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 40995840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69860016).

40995840 is an abundant number, since it is smaller than the sum of its proper divisors (98724192).

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

40995840 is a wasteful number, since it uses less digits than its factorization.

40995840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 40995840 is about 6402.7993877678. The cubic root of 40995840 is about 344.8100613806.

The spelling of 40995840 in words is "forty million, nine hundred ninety-five thousand, eight hundred forty".