612394944 has 224 divisors, whose sum is σ = 2004364800. Its totient is φ = 164376576.

The previous prime is 612394933. The next prime is 612394957. The reversal of 612394944 is 449493216.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (186624) is a multiple of the sum of its prime divisors (576).

It is a junction number, because it is equal to n+sod(n) for n = 612394896 and 612394905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119279 + ... + 1119825.

Almost surely, 2^612394944 is an apocalyptic number.

612394944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612394944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002182400).

612394944 is an abundant number, since it is smaller than the sum of its proper divisors (1391969856).

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

612394944 is a wasteful number, since it uses less digits than its factorization.

612394944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 576 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 612394944 is about 24746.6147987962. The cubic root of 612394944 is about 849.2010689127.

The spelling of 612394944 in words is "six hundred twelve million, three hundred ninety-four thousand, nine hundred forty-four".