40442024142 has 96 divisors (see below), whose sum is σ = 97409640960. Its totient is φ = 12431746080.

The previous prime is 40442024137. The next prime is 40442024143. The reversal of 40442024142 is 24142024404.

40442024142 is a `hidden beast` number, since 4 + 0 + 44 + 202 + 414 + 2 = 666.

It is a super-2 number, since 2×40442024142² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442024143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16525963 + ... + 16528409.

It is an arithmetic number, because the mean of its divisors is an integer number (1014683760).

Almost surely, 2^40442024142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40442024142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48704820480).

40442024142 is an abundant number, since it is smaller than the sum of its proper divisors (56967616818).

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

40442024142 is a wasteful number, since it uses less digits than its factorization.

40442024142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 40442024142 its reverse (24142024404), we get a palindrome (64584048546).

The spelling of 40442024142 in words is "forty billion, four hundred forty-two million, twenty-four thousand, one hundred forty-two".