40033331442 has 144 divisors (see below), whose sum is σ = 95876059968. Its totient is φ = 12063841920.

The previous prime is 40033331413. The next prime is 40033331453. The reversal of 40033331442 is 24413333004.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 82203723 + ... + 82204209.

It is an arithmetic number, because the mean of its divisors is an integer number (665805972).

Almost surely, 2^40033331442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40033331442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47938029984).

40033331442 is an abundant number, since it is smaller than the sum of its proper divisors (55842728526).

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

40033331442 is a wasteful number, since it uses less digits than its factorization.

40033331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40033331442 its reverse (24413333004), we get a palindrome (64446664446).

The spelling of 40033331442 in words is "forty billion, thirty-three million, three hundred thirty-one thousand, four hundred forty-two".