18290740629 has 24 divisors (see below), whose sum is σ = 28479757248. Its totient is φ = 10411161600.

The previous prime is 18290740613. The next prime is 18290740667. The reversal of 18290740629 is 92604709281.

It is not a de Polignac number, because 18290740629 - 2⁴ = 18290740613 is a prime.

It is a super-4 number, since 4×18290740629⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18290740609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204297 + ... + 279854.

It is an arithmetic number, because the mean of its divisors is an integer number (1186656552).

Almost surely, 2^18290740629 is an apocalyptic number.

It is an amenable number.

18290740629 is a deficient number, since it is larger than the sum of its proper divisors (10189016619).

18290740629 is a wasteful number, since it uses less digits than its factorization.

18290740629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484425 (or 484418 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 18290740629 in words is "eighteen billion, two hundred ninety million, seven hundred forty thousand, six hundred twenty-nine".