40738452 has 12 divisors (see below), whose sum is σ = 95056416. Its totient is φ = 13579480.

The previous prime is 40738447. The next prime is 40738459. The reversal of 40738452 is 25483704.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40738459) 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, 1697424 + ... + 1697447.

It is an arithmetic number, because the mean of its divisors is an integer number (7921368).

Almost surely, 2^40738452 is an apocalyptic number.

It is an amenable number.

40738452 is an abundant number, since it is smaller than the sum of its proper divisors (54317964).

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

40738452 is a wasteful number, since it uses less digits than its factorization.

40738452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394878 (or 3394876 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40738452 is about 6382.6680941437. The cubic root of 40738452 is about 344.0869281848.

The spelling of 40738452 in words is "forty million, seven hundred thirty-eight thousand, four hundred fifty-two".