40635061403 has 4 divisors (see below), whose sum is σ = 41014828440. Its totient is φ = 40255294368.

The previous prime is 40635061381. The next prime is 40635061409. The reversal of 40635061403 is 30416053604.

40635061403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40635061403 - 2²² = 40630867099 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 40635061403.

It is not an unprimeable number, because it can be changed into a prime (40635061409) 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, 189883358 + ... + 189883571.

It is an arithmetic number, because the mean of its divisors is an integer number (10253707110).

Almost surely, 2^40635061403 is an apocalyptic number.

40635061403 is a deficient number, since it is larger than the sum of its proper divisors (379767037).

40635061403 is a wasteful number, since it uses less digits than its factorization.

40635061403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379767036.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 40635061403 in words is "forty billion, six hundred thirty-five million, sixty-one thousand, four hundred three".