40220002328 has 64 divisors (see below), whose sum is σ = 86271242400. Its totient is φ = 17409530880.

The previous prime is 40220002327. The next prime is 40220002337. The reversal of 40220002328 is 82320002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220002327) 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, 78350 + ... + 294242.

Almost surely, 2^40220002328 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 40220002328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43135621200).

40220002328 is an abundant number, since it is smaller than the sum of its proper divisors (46051240072).

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

40220002328 is a wasteful number, since it uses less digits than its factorization.

40220002328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216012 (or 216008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The spelling of 40220002328 in words is "forty billion, two hundred twenty million, two thousand, three hundred twenty-eight".