1864240364 has 12 divisors (see below), whose sum is σ = 3728480784. Its totient is φ = 798960144.

The previous prime is 1864240319. The next prime is 1864240373. The reversal of 1864240364 is 4630424681.

1864240364 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33289979 + ... + 33290034.

It is an arithmetic number, because the mean of its divisors is an integer number (310706732).

Almost surely, 2^1864240364 is an apocalyptic number.

1864240364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1864240364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1864240364 is a wasteful number, since it uses less digits than its factorization.

1864240364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66580024 (or 66580022 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 1864240364 is about 43176.8498619341. The cubic root of 1864240364 is about 1230.7427958773.

The spelling of 1864240364 in words is "one billion, eight hundred sixty-four million, two hundred forty thousand, three hundred sixty-four".