40635061404 has 96 divisors (see below), whose sum is σ = 111522808320. Its totient is φ = 11274294528.

The previous prime is 40635061381. The next prime is 40635061409. The reversal of 40635061404 is 40416053604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635061409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592362 + ... + 657390.

It is an arithmetic number, because the mean of its divisors is an integer number (1161695920).

Almost surely, 2^40635061404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40635061404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55761404160).

40635061404 is an abundant number, since it is smaller than the sum of its proper divisors (70887746916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40635061404 is a wasteful number, since it uses less digits than its factorization.

40635061404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65259 (or 65257 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 40635061404 in words is "forty billion, six hundred thirty-five million, sixty-one thousand, four hundred four".