40000810142 has 16 divisors (see below), whose sum is σ = 60799764480. Its totient is φ = 19735446528.

The previous prime is 40000810133. The next prime is 40000810237. The reversal of 40000810142 is 24101800004.

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 in 7 ways as a sum of consecutive naturals, for example, 240542 + ... + 371297.

It is an arithmetic number, because the mean of its divisors is an integer number (3799985280).

Almost surely, 2^40000810142 is an apocalyptic number.

40000810142 is a deficient number, since it is larger than the sum of its proper divisors (20798954338).

40000810142 is a wasteful number, since it uses less digits than its factorization.

40000810142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612275.

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 40000810142 in words is "forty billion, eight hundred ten thousand, one hundred forty-two".