40281934142 has 4 divisors (see below), whose sum is σ = 60422901216. Its totient is φ = 20140967070.

The previous prime is 40281934111. The next prime is 40281934157. The reversal of 40281934142 is 24143918204.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40281934096 and 40281934105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070483534 + ... + 10070483537.

It is an arithmetic number, because the mean of its divisors is an integer number (15105725304).

Almost surely, 2^40281934142 is an apocalyptic number.

40281934142 is a deficient number, since it is larger than the sum of its proper divisors (20140967074).

40281934142 is a wasteful number, since it uses less digits than its factorization.

40281934142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140967073.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 40281934142 in words is "forty billion, two hundred eighty-one million, nine hundred thirty-four thousand, one hundred forty-two".