40069102788 has 192 divisors, whose sum is σ = 125344477440. Its totient is φ = 10905062400.

The previous prime is 40069102783. The next prime is 40069102897. The reversal of 40069102788 is 88720196004.

40069102788 is a `hidden beast` number, since 400 + 69 + 102 + 7 + 88 = 666.

40069102788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40069102783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536368 + ... + 606488.

It is an arithmetic number, because the mean of its divisors is an integer number (652835820).

Almost surely, 2^40069102788 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 40069102788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62672238720).

40069102788 is an abundant number, since it is smaller than the sum of its proper divisors (85275374652).

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

40069102788 is a wasteful number, since it uses less digits than its factorization.

40069102788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70195 (or 70187 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 40069102788 in words is "forty billion, sixty-nine million, one hundred two thousand, seven hundred eighty-eight".