40521484 has 12 divisors (see below), whose sum is σ = 71064000. Its totient is φ = 20217488.

The previous prime is 40521457. The next prime is 40521487. The reversal of 40521484 is 48412504.

It is not an unprimeable number, because it can be changed into a prime (40521487) 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, 8659 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (5922000).

Almost surely, 2^40521484 is an apocalyptic number.

It is an amenable number.

40521484 is a deficient number, since it is larger than the sum of its proper divisors (30542516).

40521484 is a wasteful number, since it uses less digits than its factorization.

40521484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21632 (or 21630 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 40521484 is about 6365.6487493420. The cubic root of 40521484 is about 343.4749855893.

Adding to 40521484 its reverse (48412504), we get a palindrome (88933988).

The spelling of 40521484 in words is "forty million, five hundred twenty-one thousand, four hundred eighty-four".