40502541 has 8 divisors (see below), whose sum is σ = 54046944. Its totient is φ = 26979920.

The previous prime is 40502537. The next prime is 40502557. The reversal of 40502541 is 14520504.

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

It is a cyclic number.

It is not a de Polignac number, because 40502541 - 2² = 40502537 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502591) 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, 450 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (6755868).

Almost surely, 2^40502541 is an apocalyptic number.

It is an amenable number.

40502541 is a deficient number, since it is larger than the sum of its proper divisors (13544403).

40502541 is a wasteful number, since it uses less digits than its factorization.

40502541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40502541 is about 6364.1606673622. The cubic root of 40502541 is about 343.4214546378.

The spelling of 40502541 in words is "forty million, five hundred two thousand, five hundred forty-one".