612774512140 has 24 divisors (see below), whose sum is σ = 1470658829472. Its totient is φ = 210094118400.

The previous prime is 612774512117. The next prime is 612774512153. The reversal of 612774512140 is 41215477216.

It is a junction number, because it is equal to n+sod(n) for n = 612774512093 and 612774512102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188480261 + ... + 2188480540.

It is an arithmetic number, because the mean of its divisors is an integer number (61277451228).

Almost surely, 2^612774512140 is an apocalyptic number.

It is an amenable number.

612774512140 is an abundant number, since it is smaller than the sum of its proper divisors (857884317332).

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

612774512140 is a wasteful number, since it uses less digits than its factorization.

612774512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376960817 (or 4376960815 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 612774512140 its reverse (41215477216), we get a palindrome (653989989356).

The spelling of 612774512140 in words is "six hundred twelve billion, seven hundred seventy-four million, five hundred twelve thousand, one hundred forty".