1518234450 has 48 divisors (see below), whose sum is σ = 3792361440. Its totient is φ = 401944320.

The previous prime is 1518234413. The next prime is 1518234479. The reversal of 1518234450 is 544328151.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15559 + ... + 57258.

It is an arithmetic number, because the mean of its divisors is an integer number (79007530).

Almost surely, 2^1518234450 is an apocalyptic number.

1518234450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1518234450 is an abundant number, since it is smaller than the sum of its proper divisors (2274126990).

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

1518234450 is a wasteful number, since it uses less digits than its factorization.

1518234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72971 (or 72966 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1518234450 is about 38964.5280992854. The cubic root of 1518234450 is about 1149.3340694004.

The spelling of 1518234450 in words is "one billion, five hundred eighteen million, two hundred thirty-four thousand, four hundred fifty".