40928457 has 8 divisors (see below), whose sum is σ = 54613440. Its totient is φ = 27264560.

The previous prime is 40928453. The next prime is 40928467. The reversal of 40928457 is 75482904.

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 40928457 - 2² = 40928453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40928453) 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, 19 + ... + 9047.

It is an arithmetic number, because the mean of its divisors is an integer number (6826680).

Almost surely, 2^40928457 is an apocalyptic number.

It is an amenable number.

40928457 is a deficient number, since it is larger than the sum of its proper divisors (13684983).

40928457 is a wasteful number, since it uses less digits than its factorization.

40928457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40928457 is about 6397.5352285079. The cubic root of 40928457 is about 344.6210415700.

The spelling of 40928457 in words is "forty million, nine hundred twenty-eight thousand, four hundred fifty-seven".