40948521 has 8 divisors (see below), whose sum is σ = 54635424. Its totient is φ = 27280320.

The previous prime is 40948517. The next prime is 40948543. The reversal of 40948521 is 12584904.

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

It is not a de Polignac number, because 40948521 - 2² = 40948517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40948561) 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, 1665 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (6829428).

Almost surely, 2^40948521 is an apocalyptic number.

It is an amenable number.

40948521 is a deficient number, since it is larger than the sum of its proper divisors (13686903).

40948521 is a wasteful number, since it uses less digits than its factorization.

40948521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40948521 is about 6399.1031402846. The cubic root of 40948521 is about 344.6773458915.

The spelling of 40948521 in words is "forty million, nine hundred forty-eight thousand, five hundred twenty-one".