612378282810 has 64 divisors (see below), whose sum is σ = 1778470048512. Its totient is φ = 131738520576.

The previous prime is 612378282809. The next prime is 612378282853. The reversal of 612378282810 is 18282873216.

It is a super-2 number, since 2×612378282810² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612378282810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85763697 + ... + 85770836.

It is an arithmetic number, because the mean of its divisors is an integer number (27788594508).

Almost surely, 2^612378282810 is an apocalyptic number.

612378282810 is an abundant number, since it is smaller than the sum of its proper divisors (1166091765702).

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

612378282810 is a wasteful number, since it uses less digits than its factorization.

612378282810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171534567.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 612378282810 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, eight hundred ten".