40989537 has 16 divisors (see below), whose sum is σ = 61330560. Its totient is φ = 27054000.

The previous prime is 40989527. The next prime is 40989551. The reversal of 40989537 is 73598904.

40989537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40989537 - 2¹¹ = 40987489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40989492 and 40989501.

It is not an unprimeable number, because it can be changed into a prime (40989527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (3833160).

Almost surely, 2^40989537 is an apocalyptic number.

It is an amenable number.

40989537 is a deficient number, since it is larger than the sum of its proper divisors (20341023).

40989537 is a wasteful number, since it uses less digits than its factorization.

40989537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 40989537 is about 6402.3071622658. The cubic root of 40989537 is about 344.7923892688.

The spelling of 40989537 in words is "forty million, nine hundred eighty-nine thousand, five hundred thirty-seven".