1064055420 has 48 divisors (see below), whose sum is σ = 3310396320. Its totient is φ = 283747968.

The previous prime is 1064055409. The next prime is 1064055437. The reversal of 1064055420 is 245504601.

1064055420 is a `hidden beast` number, since 10 + 640 + 5 + 5 + 4 + 2 + 0 = 666.

It is a super-2 number, since 2×1064055420² = 2264427873662752800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984697 + ... + 985776.

It is an arithmetic number, because the mean of its divisors is an integer number (68966590).

Almost surely, 2^1064055420 is an apocalyptic number.

1064055420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1064055420 is an abundant number, since it is smaller than the sum of its proper divisors (2246340900).

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

1064055420 is a wasteful number, since it uses less digits than its factorization.

1064055420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970491 (or 1970483 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1064055420 is about 32619.8623540934. The cubic root of 1064055420 is about 1020.9114690084.

The spelling of 1064055420 in words is "one billion, sixty-four million, fifty-five thousand, four hundred twenty".