40501057 has 8 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 39830688.

The previous prime is 40501049. The next prime is 40501067. The reversal of 40501057 is 75010504.

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 40501057 - 2³ = 40501049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40501067) 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, 36168 + ... + 37270.

It is an arithmetic number, because the mean of its divisors is an integer number (5146848).

Almost surely, 2^40501057 is an apocalyptic number.

It is an amenable number.

40501057 is a deficient number, since it is larger than the sum of its proper divisors (673727).

40501057 is a wasteful number, since it uses less digits than its factorization.

40501057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 40501057 is about 6364.0440759002. The cubic root of 40501057 is about 343.4172603029.

The spelling of 40501057 in words is "forty million, five hundred one thousand, fifty-seven".