40205612446 has 4 divisors (see below), whose sum is σ = 60308418672. Its totient is φ = 20102806222.

The previous prime is 40205612443. The next prime is 40205612477. The reversal of 40205612446 is 64421650204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205612443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051403110 + ... + 10051403113.

It is an arithmetic number, because the mean of its divisors is an integer number (15077104668).

Almost surely, 2^40205612446 is an apocalyptic number.

40205612446 is a deficient number, since it is larger than the sum of its proper divisors (20102806226).

40205612446 is a wasteful number, since it uses less digits than its factorization.

40205612446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102806225.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 40205612446 in words is "forty billion, two hundred five million, six hundred twelve thousand, four hundred forty-six".