612240345471424 has 56 divisors (see below), whose sum is σ = 1232034480348768. Its totient is φ = 301806520673280.

The previous prime is 612240345471421. The next prime is 612240345471479. The reversal of 612240345471424 is 424174543042216.

It is a super-2 number, since 2×612240345471424² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612240345471421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804693874 + ... + 805454350.

Almost surely, 2^{612240345471424} is an apocalyptic number.

612240345471424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

612240345471424 is an abundant number, since it is smaller than the sum of its proper divisors (619794134877344).

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

612240345471424 is a wasteful number, since it uses less digits than its factorization.

612240345471424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937733 (or 937723 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 49.

The spelling of 612240345471424 in words is "six hundred twelve trillion, two hundred forty billion, three hundred forty-five million, four hundred seventy-one thousand, four hundred twenty-four".