40244432142 has 16 divisors (see below), whose sum is σ = 80773280640. Its totient is φ = 13367407992.

The previous prime is 40244432113. The next prime is 40244432153. The reversal of 40244432142 is 24123444204.

It is a super-2 number, since 2×40244432142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11848842 + ... + 11852237.

It is an arithmetic number, because the mean of its divisors is an integer number (5048330040).

Almost surely, 2^40244432142 is an apocalyptic number.

40244432142 is an abundant number, since it is smaller than the sum of its proper divisors (40528848498).

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

40244432142 is a wasteful number, since it uses less digits than its factorization.

40244432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701367.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40244432142 its reverse (24123444204), we get a palindrome (64367876346).

The spelling of 40244432142 in words is "forty billion, two hundred forty-four million, four hundred thirty-two thousand, one hundred forty-two".