18058972402 has 16 divisors (see below), whose sum is σ = 27581044320. Its totient is φ = 8865662848.

The previous prime is 18058972357. The next prime is 18058972447. The reversal of 18058972402 is 20427985081.

It is an interprime number because it is at equal distance from previous prime (18058972357) and next prime (18058972447).

It is a super-2 number, since 2×18058972402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 190114.

It is an arithmetic number, because the mean of its divisors is an integer number (1723815270).

Almost surely, 2^18058972402 is an apocalyptic number.

18058972402 is a deficient number, since it is larger than the sum of its proper divisors (9522071918).

18058972402 is a wasteful number, since it uses less digits than its factorization.

18058972402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185945.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 18058972402 in words is "eighteen billion, fifty-eight million, nine hundred seventy-two thousand, four hundred two".