538451418 has 16 divisors (see below), whose sum is σ = 1101947616. Its totient is φ = 175309680.

The previous prime is 538451399. The next prime is 538451423. The reversal of 538451418 is 814154835.

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, 1043253 + ... + 1043768.

It is an arithmetic number, because the mean of its divisors is an integer number (68871726).

Almost surely, 2^538451418 is an apocalyptic number.

538451418 is an abundant number, since it is smaller than the sum of its proper divisors (563496198).

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

538451418 is a wasteful number, since it uses less digits than its factorization.

538451418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087069.

The product of its digits is 76800, while the sum is 39.

The square root of 538451418 is about 23204.5559750666. Note that the first 3 decimals coincide. The cubic root of 538451418 is about 813.5461140781.

The spelling of 538451418 in words is "five hundred thirty-eight million, four hundred fifty-one thousand, four hundred eighteen".