40857460 has 48 divisors (see below), whose sum is σ = 103832064. Its totient is φ = 13183488.

The previous prime is 40857419. The next prime is 40857461. The reversal of 40857460 is 6475804.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40857461) 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 15 ways as a sum of consecutive naturals, for example, 6204 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (2163168).

Almost surely, 2^40857460 is an apocalyptic number.

It is an amenable number.

40857460 is an abundant number, since it is smaller than the sum of its proper divisors (62974604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40857460 is a wasteful number, since it uses less digits than its factorization.

40857460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200 (or 17198 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40857460 is about 6391.9840425333. The cubic root of 40857460 is about 344.4216593399.

The spelling of 40857460 in words is "forty million, eight hundred fifty-seven thousand, four hundred sixty".