40726263 has 4 divisors (see below), whose sum is σ = 54301688. Its totient is φ = 27150840.

The previous prime is 40726249. The next prime is 40726333. The reversal of 40726263 is 36262704.

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

It is not a de Polignac number, because 40726263 - 2⁶ = 40726199 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 40726263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726163) 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, 6787708 + ... + 6787713.

It is an arithmetic number, because the mean of its divisors is an integer number (13575422).

Almost surely, 2^40726263 is an apocalyptic number.

40726263 is a deficient number, since it is larger than the sum of its proper divisors (13575425).

40726263 is a wasteful number, since it uses less digits than its factorization.

40726263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575424.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40726263 is about 6381.7131712417. The cubic root of 40726263 is about 344.0526076700.

Adding to 40726263 its reverse (36262704), we get a palindrome (76988967).

The spelling of 40726263 in words is "forty million, seven hundred twenty-six thousand, two hundred sixty-three".