40013044608 has 32 divisors (see below), whose sum is σ = 106284650760. Its totient is φ = 13337681408.

The previous prime is 40013044573. The next prime is 40013044633. The reversal of 40013044608 is 80644031004.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52099935 + ... + 52100702.

Almost surely, 2^40013044608 is an apocalyptic number.

40013044608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40013044608 is an abundant number, since it is smaller than the sum of its proper divisors (66271606152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40013044608 is a wasteful number, since it uses less digits than its factorization.

40013044608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104200654 (or 104200642 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 40013044608 in words is "forty billion, thirteen million, forty-four thousand, six hundred eight".