22001610040 has 32 divisors (see below), whose sum is σ = 49537136880. Its totient is φ = 8794685952.

The previous prime is 22001610019. The next prime is 22001610041. The reversal of 22001610040 is 4001610022.

It is a junction number, because it is equal to n+sod(n) for n = 22001609996 and 22001610023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001610041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126129 + ... + 244768.

Almost surely, 2^22001610040 is an apocalyptic number.

22001610040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001610040 is an abundant number, since it is smaller than the sum of its proper divisors (27535526840).

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

22001610040 is a wasteful number, since it uses less digits than its factorization.

22001610040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372391 (or 372387 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The spelling of 22001610040 in words is "twenty-two billion, one million, six hundred ten thousand, forty".