40235126628 has 48 divisors (see below), whose sum is σ = 95904393984. Its totient is φ = 13122938880.

The previous prime is 40235126627. The next prime is 40235126639. The reversal of 40235126628 is 82662153204.

It is not an unprimeable number, because it can be changed into a prime (40235126627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059908 + ... + 3073028.

It is an arithmetic number, because the mean of its divisors is an integer number (1998008208).

Almost surely, 2^40235126628 is an apocalyptic number.

It is an amenable number.

40235126628 is an abundant number, since it is smaller than the sum of its proper divisors (55669267356).

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

40235126628 is a wasteful number, since it uses less digits than its factorization.

40235126628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612 (or 18610 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 40235126628 in words is "forty billion, two hundred thirty-five million, one hundred twenty-six thousand, six hundred twenty-eight".