1815480006 has 16 divisors (see below), whose sum is σ = 3658678848. Its totient is φ = 600540200.

The previous prime is 1815479989. The next prime is 1815480047. The reversal of 1815480006 is 6000845181.

It is a congruent number.

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, 1154100 + ... + 1155671.

It is an arithmetic number, because the mean of its divisors is an integer number (228667428).

Almost surely, 2^1815480006 is an apocalyptic number.

1815480006 is an abundant number, since it is smaller than the sum of its proper divisors (1843198842).

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

1815480006 is a wasteful number, since it uses less digits than its factorization.

1815480006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309907.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1815480006 is about 42608.4499366030. The cubic root of 1815480006 is about 1219.9175806545.

The spelling of 1815480006 in words is "one billion, eight hundred fifteen million, four hundred eighty thousand, six".