40889737 has 8 divisors (see below), whose sum is σ = 46938816. Its totient is φ = 34892592.

The previous prime is 40889731. The next prime is 40889759. The reversal of 40889737 is 73798804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40889737 - 2¹⁹ = 40365449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40889731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11278 + ... + 14455.

It is an arithmetic number, because the mean of its divisors is an integer number (5867352).

Almost surely, 2^40889737 is an apocalyptic number.

It is an amenable number.

40889737 is a deficient number, since it is larger than the sum of its proper divisors (6049079).

40889737 is a wasteful number, since it uses less digits than its factorization.

40889737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25967.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 40889737 is about 6394.5083470115. The cubic root of 40889737 is about 344.5123320654.

The spelling of 40889737 in words is "forty million, eight hundred eighty-nine thousand, seven hundred thirty-seven".