40853457 has 8 divisors (see below), whose sum is σ = 60523680. Its totient is φ = 27235620.

The previous prime is 40853453. The next prime is 40853509. The reversal of 40853457 is 75435804.

It is not a de Polignac number, because 40853457 - 2² = 40853453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40853453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756519 + ... + 756572.

It is an arithmetic number, because the mean of its divisors is an integer number (7565460).

Almost surely, 2^40853457 is an apocalyptic number.

It is an amenable number.

40853457 is a deficient number, since it is larger than the sum of its proper divisors (19670223).

40853457 is a wasteful number, since it uses less digits than its factorization.

40853457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513100 (or 1513094 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 40853457 is about 6391.6709082993. The cubic root of 40853457 is about 344.4104107623.

The spelling of 40853457 in words is "forty million, eight hundred fifty-three thousand, four hundred fifty-seven".