40088568891 has 24 divisors (see below), whose sum is σ = 62185825344. Its totient is φ = 22904940240.

The previous prime is 40088568869. The next prime is 40088568931. The reversal of 40088568891 is 19886588004.

40088568891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40088568891 - 2¹⁵ = 40088536123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40088568851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2042796 + ... + 2062326.

It is an arithmetic number, because the mean of its divisors is an integer number (2591076056).

Almost surely, 2^40088568891 is an apocalyptic number.

40088568891 is a deficient number, since it is larger than the sum of its proper divisors (22097256453).

40088568891 is a wasteful number, since it uses less digits than its factorization.

40088568891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33511 (or 33504 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 57.

The spelling of 40088568891 in words is "forty billion, eighty-eight million, five hundred sixty-eight thousand, eight hundred ninety-one".