40088920940 has 48 divisors (see below), whose sum is σ = 89163934272. Its totient is φ = 15088060416.

The previous prime is 40088920873. The next prime is 40088920951. The reversal of 40088920940 is 4902988004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40088920891 and 40088920900.

It is an unprimeable number.

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, 1364849 + ... + 1393911.

It is an arithmetic number, because the mean of its divisors is an integer number (1857581964).

Almost surely, 2^40088920940 is an apocalyptic number.

It is an amenable number.

40088920940 is an abundant number, since it is smaller than the sum of its proper divisors (49075013332).

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

40088920940 is a wasteful number, since it uses less digits than its factorization.

40088920940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 33144 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 40088920940 in words is "forty billion, eighty-eight million, nine hundred twenty thousand, nine hundred forty".