40423635741 has 4 divisors (see below), whose sum is σ = 53898180992. Its totient is φ = 26949090492.

The previous prime is 40423635739. The next prime is 40423635757. The reversal of 40423635741 is 14753632404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40423635741 - 2¹ = 40423635739 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 40423635741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423635341) 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, 6737272621 + ... + 6737272626.

It is an arithmetic number, because the mean of its divisors is an integer number (13474545248).

Almost surely, 2^40423635741 is an apocalyptic number.

It is an amenable number.

40423635741 is a deficient number, since it is larger than the sum of its proper divisors (13474545251).

40423635741 is a wasteful number, since it uses less digits than its factorization.

40423635741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474545250.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 40423635741 in words is "forty billion, four hundred twenty-three million, six hundred thirty-five thousand, seven hundred forty-one".