1868414826 has 64 divisors (see below), whose sum is σ = 4010582016. Its totient is φ = 579182400.

The previous prime is 1868414819. The next prime is 1868414831. The reversal of 1868414826 is 6284148681.

It is a happy number.

It is a super-2 number, since 2×1868414826² = 6981947924033220552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569571 + ... + 572841.

It is an arithmetic number, because the mean of its divisors is an integer number (62665344).

Almost surely, 2^1868414826 is an apocalyptic number.

1868414826 is an abundant number, since it is smaller than the sum of its proper divisors (2142167190).

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

1868414826 is a wasteful number, since it uses less digits than its factorization.

1868414826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 589824, while the sum is 48.

The square root of 1868414826 is about 43225.1642680511. The cubic root of 1868414826 is about 1231.6607495694.

The spelling of 1868414826 in words is "one billion, eight hundred sixty-eight million, four hundred fourteen thousand, eight hundred twenty-six".