40838741 has 4 divisors (see below), whose sum is σ = 41136972. Its totient is φ = 40540512.

The previous prime is 40838737. The next prime is 40838753. The reversal of 40838741 is 14783804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30758116 + 10080625 = 5546^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 40838741 - 2² = 40838737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838701) 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, 148910 + ... + 149183.

It is an arithmetic number, because the mean of its divisors is an integer number (10284243).

Almost surely, 2^40838741 is an apocalyptic number.

It is an amenable number.

40838741 is a deficient number, since it is larger than the sum of its proper divisors (298231).

40838741 is a wasteful number, since it uses less digits than its factorization.

40838741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298230.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40838741 is about 6390.5196189355. The cubic root of 40838741 is about 344.3690519425.

The spelling of 40838741 in words is "forty million, eight hundred thirty-eight thousand, seven hundred forty-one".