612451652420 has 48 divisors (see below), whose sum is σ = 1288256729088. Its totient is φ = 244579305600.

The previous prime is 612451652383. The next prime is 612451652437. The reversal of 612451652420 is 24256154216.

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 15 ways as a sum of consecutive naturals, for example, 83311745 + ... + 83319095.

It is an arithmetic number, because the mean of its divisors is an integer number (26838681856).

Almost surely, 2^612451652420 is an apocalyptic number.

It is an amenable number.

612451652420 is an abundant number, since it is smaller than the sum of its proper divisors (675805076668).

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

612451652420 is a wasteful number, since it uses less digits than its factorization.

612451652420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 13618 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 612451652420 in words is "six hundred twelve billion, four hundred fifty-one million, six hundred fifty-two thousand, four hundred twenty".