40442109016 has 8 divisors (see below), whose sum is σ = 75828954420. Its totient is φ = 20221054504.

The previous prime is 40442109011. The next prime is 40442109061. The reversal of 40442109016 is 61090124404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442109011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527631806 + ... + 2527631821.

Almost surely, 2^40442109016 is an apocalyptic number.

It is an amenable number.

40442109016 is a deficient number, since it is larger than the sum of its proper divisors (35386845404).

40442109016 is a wasteful number, since it uses less digits than its factorization.

40442109016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055263633 (or 5055263629 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 40442109016 in words is "forty billion, four hundred forty-two million, one hundred nine thousand, sixteen".