612424488 has 64 divisors (see below), whose sum is σ = 1673501760. Its totient is φ = 185619456.

The previous prime is 612424459. The next prime is 612424517. The reversal of 612424488 is 884424216.

It is an interprime number because it is at equal distance from previous prime (612424459) and next prime (612424517).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6256 + ... + 35552.

It is an arithmetic number, because the mean of its divisors is an integer number (26148465).

Almost surely, 2^612424488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612424488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836750880).

612424488 is an abundant number, since it is smaller than the sum of its proper divisors (1061077272).

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

612424488 is a wasteful number, since it uses less digits than its factorization.

612424488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29386 (or 29382 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 612424488 is about 24747.2117217274. The cubic root of 612424488 is about 849.2147248021.

The spelling of 612424488 in words is "six hundred twelve million, four hundred twenty-four thousand, four hundred eighty-eight".