18126510828490 has 32 divisors (see below), whose sum is σ = 34345597216320. Its totient is φ = 6868867711104.

The previous prime is 18126510828463. The next prime is 18126510828493. The reversal of 18126510828490 is 9482801562181.

It is not an unprimeable number, because it can be changed into a prime (18126510828493) 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, 9868797 + ... + 11560543.

It is an arithmetic number, because the mean of its divisors is an integer number (1073299913010).

Almost surely, 2^{18126510828490} is an apocalyptic number.

18126510828490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18126510828490 is a deficient number, since it is larger than the sum of its proper divisors (16219086387830).

18126510828490 is a wasteful number, since it uses less digits than its factorization.

18126510828490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748166.

The product of its (nonzero) digits is 2211840, while the sum is 55.

The spelling of 18126510828490 in words is "eighteen trillion, one hundred twenty-six billion, five hundred ten million, eight hundred twenty-eight thousand, four hundred ninety".