40033798609 has 16 divisors (see below), whose sum is σ = 47555641728. Its totient is φ = 32984986752.

The previous prime is 40033798601. The next prime is 40033798619. The reversal of 40033798609 is 90689733004.

It is a cyclic number.

It is not a de Polignac number, because 40033798609 - 2³ = 40033798601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40033798601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909652 + ... + 952645.

It is an arithmetic number, because the mean of its divisors is an integer number (2972227608).

Almost surely, 2^40033798609 is an apocalyptic number.

It is an amenable number.

40033798609 is a deficient number, since it is larger than the sum of its proper divisors (7521843119).

40033798609 is a wasteful number, since it uses less digits than its factorization.

40033798609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862424.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 40033798609 in words is "forty billion, thirty-three million, seven hundred ninety-eight thousand, six hundred nine".