18422629750 has 128 divisors (see below), whose sum is σ = 40647619584. Its totient is φ = 6120979200.

The previous prime is 18422629721. The next prime is 18422629759. The reversal of 18422629750 is 5792622481.

It is a self number, because there is not a number n which added to its sum of digits gives 18422629750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18422629759) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10308357 + ... + 10310143.

It is an arithmetic number, because the mean of its divisors is an integer number (317559528).

Almost surely, 2^18422629750 is an apocalyptic number.

18422629750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18422629750 is an abundant number, since it is smaller than the sum of its proper divisors (22224989834).

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

18422629750 is a wasteful number, since it uses less digits than its factorization.

18422629750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 18422629750 in words is "eighteen billion, four hundred twenty-two million, six hundred twenty-nine thousand, seven hundred fifty".