705030442428 has 24 divisors (see below), whose sum is σ = 1771614958288. Its totient is φ = 216932443776.

The previous prime is 705030442423. The next prime is 705030442447. The reversal of 705030442428 is 824244030507.

It is a happy number.

705030442428 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705030442423) 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, 2259712801 + ... + 2259713112.

Almost surely, 2^705030442428 is an apocalyptic number.

705030442428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

705030442428 is an abundant number, since it is smaller than the sum of its proper divisors (1066584515860).

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

705030442428 is a wasteful number, since it uses less digits than its factorization.

705030442428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519425933 (or 4519425931 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 705030442428 in words is "seven hundred five billion, thirty million, four hundred forty-two thousand, four hundred twenty-eight".