40255763 has 4 divisors (see below), whose sum is σ = 41554368. Its totient is φ = 38957160.

The previous prime is 40255757. The next prime is 40255769. The reversal of 40255763 is 36755204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40255757) and next prime (40255769).

It is a cyclic number.

It is not a de Polignac number, because 40255763 - 2¹² = 40251667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40255769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649256 + ... + 649317.

It is an arithmetic number, because the mean of its divisors is an integer number (10388592).

Almost surely, 2^40255763 is an apocalyptic number.

40255763 is a deficient number, since it is larger than the sum of its proper divisors (1298605).

40255763 is a wasteful number, since it uses less digits than its factorization.

40255763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298604.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 40255763 is about 6344.7429419954. The cubic root of 40255763 is about 342.7225555498.

It can be divided in two parts, 402 and 55763, that added together give a palindrome (56165).

The spelling of 40255763 in words is "forty million, two hundred fifty-five thousand, seven hundred sixty-three".