40457485 has 8 divisors (see below), whose sum is σ = 48591360. Its totient is φ = 32337744.

The previous prime is 40457477. The next prime is 40457489. The reversal of 40457485 is 58475404.

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 40457485 - 2³ = 40457477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457489) 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, 4384 + ... + 10006.

It is an arithmetic number, because the mean of its divisors is an integer number (6073920).

Almost surely, 2^40457485 is an apocalyptic number.

It is an amenable number.

40457485 is a deficient number, since it is larger than the sum of its proper divisors (8133875).

40457485 is a wasteful number, since it uses less digits than its factorization.

40457485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067.

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

The square root of 40457485 is about 6360.6198597307. The cubic root of 40457485 is about 343.2940639621.

The spelling of 40457485 in words is "forty million, four hundred fifty-seven thousand, four hundred eighty-five".