40657355 has 8 divisors (see below), whose sum is σ = 48826464. Its totient is φ = 32500800.

The previous prime is 40657343. The next prime is 40657411. The reversal of 40657355 is 55375604.

40657355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40657355 - 2¹⁸ = 40395211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6935 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (6103308).

Almost surely, 2^40657355 is an apocalyptic number.

40657355 is a deficient number, since it is larger than the sum of its proper divisors (8169109).

40657355 is a wasteful number, since it uses less digits than its factorization.

40657355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 40657355 is about 6376.3120218509. The cubic root of 40657355 is about 343.8584548142.

The spelling of 40657355 in words is "forty million, six hundred fifty-seven thousand, three hundred fifty-five".