1864210152 has 64 divisors (see below), whose sum is σ = 5347163520. Its totient is φ = 530546688.

The previous prime is 1864210133. The next prime is 1864210171. The reversal of 1864210152 is 2510124681.

It is an interprime number because it is at equal distance from previous prime (1864210133) and next prime (1864210171).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21588 + ... + 64764.

It is an arithmetic number, because the mean of its divisors is an integer number (83549430).

Almost surely, 2^1864210152 is an apocalyptic number.

1864210152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 43176×43177.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1864210152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673581760).

1864210152 is an abundant number, since it is smaller than the sum of its proper divisors (3482953368).

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

1864210152 is a wasteful number, since it uses less digits than its factorization.

1864210152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43450 (or 43446 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1864210152 is about 43176.4999971049. The cubic root of 1864210152 is about 1230.7361473423.

The spelling of 1864210152 in words is "one billion, eight hundred sixty-four million, two hundred ten thousand, one hundred fifty-two".