40219392888 has 128 divisors (see below), whose sum is σ = 122713920000. Its totient is φ = 12148621056.

The previous prime is 40219392887. The next prime is 40219392937. The reversal of 40219392888 is 88829391204.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40219392887) 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 31 ways as a sum of consecutive naturals, for example, 118653 + ... + 307436.

It is an arithmetic number, because the mean of its divisors is an integer number (958702500).

Almost surely, 2^40219392888 is an apocalyptic number.

It is an amenable number.

40219392888 is an abundant number, since it is smaller than the sum of its proper divisors (82494527112).

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

40219392888 is a wasteful number, since it uses less digits than its factorization.

40219392888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426146 (or 426136 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 40219392888 in words is "forty billion, two hundred nineteen million, three hundred ninety-two thousand, eight hundred eighty-eight".