40936457 has 8 divisors (see below), whose sum is σ = 41687040. Its totient is φ = 40191840.

The previous prime is 40936453. The next prime is 40936537. The reversal of 40936457 is 75463904.

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 40936457 - 2² = 40936453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40936457.

It is not an unprimeable number, because it can be changed into a prime (40936453) 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, 13733 + ... + 16445.

It is an arithmetic number, because the mean of its divisors is an integer number (5210880).

Almost surely, 2^40936457 is an apocalyptic number.

It is an amenable number.

40936457 is a deficient number, since it is larger than the sum of its proper divisors (750583).

40936457 is a wasteful number, since it uses less digits than its factorization.

40936457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 40936457 is about 6398.1604387511. The cubic root of 40936457 is about 344.6434936642.

The spelling of 40936457 in words is "forty million, nine hundred thirty-six thousand, four hundred fifty-seven".