1018120464 has 45 divisors (see below), whose sum is σ = 2850395223. Its totient is φ = 339245856.

The previous prime is 1018120451. The next prime is 1018120469. The reversal of 1018120464 is 4640218101.

It is a happy number.

The square root of 1018120464 is 31908.

It is a perfect power (a square), and thus also a powerful number.

1018120464 is a `hidden beast` number, since 1 + 0 + 181 + 20 + 464 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1018120469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 381567 + ... + 384225.

Almost surely, 2^1018120464 is an apocalyptic number.

1018120464 is the 31908-th square number.

It is an amenable number.

1018120464 is an abundant number, since it is smaller than the sum of its proper divisors (1832274759).

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

1018120464 is an frugal number, since it uses more digits than its factorization.

1018120464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The cubic root of 1018120464 is about 1006.0040340959.

Adding to 1018120464 its reverse (4640218101), we get a palindrome (5658338565).

The spelling of 1018120464 in words is "one billion, eighteen million, one hundred twenty thousand, four hundred sixty-four".