40000896 has 96 divisors (see below), whose sum is σ = 124007520. Its totient is φ = 12303360.

The previous prime is 40000867. The next prime is 40000897. The reversal of 40000896 is 69800004.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000897) 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, 13641 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (1291745).

Almost surely, 2^40000896 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 40000896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62003760).

40000896 is an abundant number, since it is smaller than the sum of its proper divisors (84006624).

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

40000896 is a wasteful number, since it uses less digits than its factorization.

40000896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40000896 is about 6324.6261549597. The cubic root of 40000896 is about 341.9977428804.

The spelling of 40000896 in words is "forty million, eight hundred ninety-six", and thus it is an aban number.