40048543 has 4 divisors (see below), whose sum is σ = 41789808. Its totient is φ = 38307280.

The previous prime is 40048537. The next prime is 40048571. The reversal of 40048543 is 34584004.

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

It is a cyclic number.

It is not a de Polignac number, because 40048543 - 2⁵ = 40048511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40048573) 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, 870598 + ... + 870643.

It is an arithmetic number, because the mean of its divisors is an integer number (10447452).

Almost surely, 2^40048543 is an apocalyptic number.

40048543 is a deficient number, since it is larger than the sum of its proper divisors (1741265).

40048543 is a wasteful number, since it uses less digits than its factorization.

40048543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741264.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40048543 is about 6328.3918178318. The cubic root of 40048543 is about 342.1334790128.

The spelling of 40048543 in words is "forty million, forty-eight thousand, five hundred forty-three".