40591534 has 8 divisors (see below), whose sum is σ = 62036280. Its totient is φ = 19912776.

The previous prime is 40591531. The next prime is 40591541. The reversal of 40591534 is 43519504.

40591534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40591496 and 40591505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591531) 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 3 ways as a sum of consecutive naturals, for example, 191364 + ... + 191575.

It is an arithmetic number, because the mean of its divisors is an integer number (7754535).

Almost surely, 2^40591534 is an apocalyptic number.

40591534 is a deficient number, since it is larger than the sum of its proper divisors (21444746).

40591534 is a wasteful number, since it uses less digits than its factorization.

40591534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382994.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 40591534 is about 6371.1485620726. The cubic root of 40591534 is about 343.6727948265.

The spelling of 40591534 in words is "forty million, five hundred ninety-one thousand, five hundred thirty-four".