40321012142 has 16 divisors (see below), whose sum is σ = 62232820992. Its totient is φ = 19584271200.

The previous prime is 40321012133. The next prime is 40321012153. The reversal of 40321012142 is 24121012304.

40321012142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40321012142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872398 + ... + 1893809.

It is an arithmetic number, because the mean of its divisors is an integer number (3889551312).

Almost surely, 2^40321012142 is an apocalyptic number.

40321012142 is a deficient number, since it is larger than the sum of its proper divisors (21911808850).

40321012142 is a wasteful number, since it uses less digits than its factorization.

40321012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766363.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40321012142 its reverse (24121012304), we get a palindrome (64442024446).

The spelling of 40321012142 in words is "forty billion, three hundred twenty-one million, twelve thousand, one hundred forty-two".