40036312336 has 80 divisors (see below), whose sum is σ = 82375977600. Its totient is φ = 18811736064.

The previous prime is 40036312331. The next prime is 40036312361. The reversal of 40036312336 is 63321363004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40036312298 and 40036312307.

It is not an unprimeable number, because it can be changed into a prime (40036312331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957710 + ... + 4965778.

It is an arithmetic number, because the mean of its divisors is an integer number (1029699720).

Almost surely, 2^40036312336 is an apocalyptic number.

40036312336 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40036312336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41187988800).

40036312336 is an abundant number, since it is smaller than the sum of its proper divisors (42339665264).

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

40036312336 is a wasteful number, since it uses less digits than its factorization.

40036312336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336 (or 8330 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 40036312336 in words is "forty billion, thirty-six million, three hundred twelve thousand, three hundred thirty-six".