40447102 has 4 divisors (see below), whose sum is σ = 60670656. Its totient is φ = 20223550.

The previous prime is 40447081. The next prime is 40447111. The reversal of 40447102 is 20174404.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 10111774 + ... + 10111777.

It is an arithmetic number, because the mean of its divisors is an integer number (15167664).

Almost surely, 2^40447102 is an apocalyptic number.

40447102 is a deficient number, since it is larger than the sum of its proper divisors (20223554).

40447102 is a wasteful number, since it uses less digits than its factorization.

40447102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223553.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40447102 is about 6359.8036133201. The cubic root of 40447102 is about 343.2646938119.

The spelling of 40447102 in words is "forty million, four hundred forty-seven thousand, one hundred two".