40253696 has 54 divisors (see below), whose sum is σ = 93497670. Its totient is φ = 17246208.

The previous prime is 40253693. The next prime is 40253713. The reversal of 40253696 is 69635204.

It can be written as a sum of positive squares in only one way, i.e., 35236096 + 5017600 = 5936^2 + 2240^2 .

It is not an unprimeable number, because it can be changed into a prime (40253693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10940 + ... + 14148.

Almost surely, 2^40253696 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 40253696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46748835).

40253696 is an abundant number, since it is smaller than the sum of its proper divisors (53243974).

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

40253696 is an equidigital number, since it uses as much as digits as its factorization.

40253696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 40253696 is about 6344.5800491443. The cubic root of 40253696 is about 342.7166895603.

The spelling of 40253696 in words is "forty million, two hundred fifty-three thousand, six hundred ninety-six".