40338896 has 20 divisors (see below), whose sum is σ = 84169092. Its totient is φ = 18617856.

The previous prime is 40338889. The next prime is 40338899. The reversal of 40338896 is 69883304.

It can be written as a sum of positive squares in 2 ways, for example, as 17106496 + 23232400 = 4136^2 + 4820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40338899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96761 + ... + 97176.

Almost surely, 2^40338896 is an apocalyptic number.

It is an amenable number.

40338896 is an abundant number, since it is smaller than the sum of its proper divisors (43830196).

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

40338896 is a wasteful number, since it uses less digits than its factorization.

40338896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193958 (or 193952 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 40338896 is about 6351.2908924092. The cubic root of 40338896 is about 342.9583144551.

The spelling of 40338896 in words is "forty million, three hundred thirty-eight thousand, eight hundred ninety-six".