40232023002 has 80 divisors (see below), whose sum is σ = 93419865000. Its totient is φ = 12925785600.

The previous prime is 40232022997. The next prime is 40232023003. The reversal of 40232023002 is 20032023204.

40232023002 is a `hidden beast` number, since 40 + 2 + 320 + 2 + 300 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 40024403721 + 207619281 = 200061^2 + 14409^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40232023003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2816374 + ... + 2830622.

Almost surely, 2^40232023002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40232023002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46709932500).

40232023002 is an abundant number, since it is smaller than the sum of its proper divisors (53187841998).

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

40232023002 is a wasteful number, since it uses less digits than its factorization.

40232023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893 (or 14884 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 40232023002 its reverse (20032023204), we get a palindrome (60264046206).

It can be divided in two parts, 4023202 and 3002, that added together give a palindrome (4026204).

The spelling of 40232023002 in words is "forty billion, two hundred thirty-two million, twenty-three thousand, two".