1026064420 has 12 divisors (see below), whose sum is σ = 2154735324. Its totient is φ = 410425760.

The previous prime is 1026064411. The next prime is 1026064423. The reversal of 1026064420 is 244606201.

It can be written as a sum of positive squares in 2 ways, for example, as 108701476 + 917362944 = 10426^2 + 30288^2 .

It is not an unprimeable number, because it can be changed into a prime (1026064423) 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, 25651591 + ... + 25651630.

It is an arithmetic number, because the mean of its divisors is an integer number (179561277).

Almost surely, 2^1026064420 is an apocalyptic number.

1026064420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026064420 is an abundant number, since it is smaller than the sum of its proper divisors (1128670904).

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

1026064420 is a wasteful number, since it uses less digits than its factorization.

1026064420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51303230 (or 51303228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1026064420 is about 32032.2403212763. The cubic root of 1026064420 is about 1008.6137306092.

The spelling of 1026064420 in words is "one billion, twenty-six million, sixty-four thousand, four hundred twenty".