40005000158 has 4 divisors (see below), whose sum is σ = 60007500240. Its totient is φ = 20002500078.

The previous prime is 40005000149. The next prime is 40005000181. The reversal of 40005000158 is 85100050004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001250038 + ... + 10001250041.

It is an arithmetic number, because the mean of its divisors is an integer number (15001875060).

Almost surely, 2^40005000158 is an apocalyptic number.

40005000158 is a deficient number, since it is larger than the sum of its proper divisors (20002500082).

40005000158 is a wasteful number, since it uses less digits than its factorization.

40005000158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002500081.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 40005000158 in words is "forty billion, five million, one hundred fifty-eight", and thus it is an aban number.