612421044 has 12 divisors (see below), whose sum is σ = 1428982464. Its totient is φ = 204140344.

The previous prime is 612421037. The next prime is 612421049. The reversal of 612421044 is 440124216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612421049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25517532 + ... + 25517555.

It is an arithmetic number, because the mean of its divisors is an integer number (119081872).

Almost surely, 2^612421044 is an apocalyptic number.

It is an amenable number.

612421044 is an abundant number, since it is smaller than the sum of its proper divisors (816561420).

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

612421044 is a wasteful number, since it uses less digits than its factorization.

612421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51035094 (or 51035092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 612421044 is about 24747.1421380328. The cubic root of 612421044 is about 849.2131329318.

The spelling of 612421044 in words is "six hundred twelve million, four hundred twenty-one thousand, forty-four".