9828626420 has 12 divisors (see below), whose sum is σ = 20640115524. Its totient is φ = 3931450560.

The previous prime is 9828626411. The next prime is 9828626429. The reversal of 9828626420 is 246268289.

It is an interprime number because it is at equal distance from previous prime (9828626411) and next prime (9828626429).

It can be written as a sum of positive squares in 2 ways, for example, as 4684581136 + 5144045284 = 68444^2 + 71722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9828626429) 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, 245715641 + ... + 245715680.

It is an arithmetic number, because the mean of its divisors is an integer number (1720009627).

Almost surely, 2^9828626420 is an apocalyptic number.

It is an amenable number.

9828626420 is an abundant number, since it is smaller than the sum of its proper divisors (10811489104).

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

9828626420 is a wasteful number, since it uses less digits than its factorization.

9828626420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491431330 (or 491431328 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 9828626420 is about 99139.4291893997. The cubic root of 9828626420 is about 2142.0566029906.

The spelling of 9828626420 in words is "nine billion, eight hundred twenty-eight million, six hundred twenty-six thousand, four hundred twenty".