40857454 has 8 divisors (see below), whose sum is σ = 66857688. Its totient is φ = 18571560.

The previous prime is 40857419. The next prime is 40857461. The reversal of 40857454 is 45475804.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928557 + ... + 928600.

It is an arithmetic number, because the mean of its divisors is an integer number (8357211).

Almost surely, 2^40857454 is an apocalyptic number.

40857454 is a deficient number, since it is larger than the sum of its proper divisors (26000234).

40857454 is a wasteful number, since it uses less digits than its factorization.

40857454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857170.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 40857454 is about 6391.9835731954. The cubic root of 40857454 is about 344.4216424802.

The spelling of 40857454 in words is "forty million, eight hundred fifty-seven thousand, four hundred fifty-four".