40403202012 has 108 divisors (see below), whose sum is σ = 104919895080. Its totient is φ = 13109191872.

The previous prime is 40403201989. The next prime is 40403202017. The reversal of 40403202012 is 21020230404.

40403202012 is a `hidden beast` number, since 40 + 403 + 20 + 201 + 2 = 666.

It is a super-4 number, since 4×40403202012⁴ (a number of 44 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403202017) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15664939 + ... + 15667517.

It is an arithmetic number, because the mean of its divisors is an integer number (971480510).

Almost surely, 2^40403202012 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 40403202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52459947540).

40403202012 is an abundant number, since it is smaller than the sum of its proper divisors (64516693068).

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

40403202012 is a wasteful number, since it uses less digits than its factorization.

40403202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40403202012 its reverse (21020230404), we get a palindrome (61423432416).

The spelling of 40403202012 in words is "forty billion, four hundred three million, two hundred two thousand, twelve".