1818410772 has 48 divisors (see below), whose sum is σ = 4384937984. Its totient is φ = 585900000.

The previous prime is 1818410731. The next prime is 1818410773. The reversal of 1818410772 is 2770148181.

1818410772 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1818410772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818410773) 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, 388647 + ... + 393297.

Almost surely, 2^1818410772 is an apocalyptic number.

1818410772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1818410772 is an abundant number, since it is smaller than the sum of its proper divisors (2566527212).

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

1818410772 is a wasteful number, since it uses less digits than its factorization.

1818410772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740 (or 5738 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 39.

The square root of 1818410772 is about 42642.8279081020. The cubic root of 1818410772 is about 1220.5736735869.

The spelling of 1818410772 in words is "one billion, eight hundred eighteen million, four hundred ten thousand, seven hundred seventy-two".