40328909712 has 480 divisors, whose sum is σ = 142124236800. Its totient is φ = 10393463808.

The previous prime is 40328909707. The next prime is 40328909729. The reversal of 40328909712 is 21790982304.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 168740089 + ... + 168740327.

It is an arithmetic number, because the mean of its divisors is an integer number (296092160).

Almost surely, 2^40328909712 is an apocalyptic number.

40328909712 is a gapful number since it is divisible by the number (42) 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 40328909712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71062118400).

40328909712 is an abundant number, since it is smaller than the sum of its proper divisors (101795327088).

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

40328909712 is a wasteful number, since it uses less digits than its factorization.

40328909712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 40328909712 in words is "forty billion, three hundred twenty-eight million, nine hundred nine thousand, seven hundred twelve".