40001004206 has 4 divisors (see below), whose sum is σ = 60001506312. Its totient is φ = 20000502102.

The previous prime is 40001004181. The next prime is 40001004269. The reversal of 40001004206 is 60240010004.

40001004206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

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, 10000251050 + ... + 10000251053.

It is an arithmetic number, because the mean of its divisors is an integer number (15000376578).

Almost surely, 2^40001004206 is an apocalyptic number.

40001004206 is a deficient number, since it is larger than the sum of its proper divisors (20000502106).

40001004206 is a wasteful number, since it uses less digits than its factorization.

40001004206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000502105.

The product of its (nonzero) digits is 192, while the sum is 17.

The spelling of 40001004206 in words is "forty billion, one million, four thousand, two hundred six".