1041555420 has 36 divisors (see below), whose sum is σ = 3159385320. Its totient is φ = 277748064.

The previous prime is 1041555413. The next prime is 1041555421. The reversal of 1041555420 is 245551401.

1041555420 is a `hidden beast` number, since 104 + 1 + 5 + 554 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041555421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2893030 + ... + 2893389.

Almost surely, 2^1041555420 is an apocalyptic number.

1041555420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1041555420 is an abundant number, since it is smaller than the sum of its proper divisors (2117829900).

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

1041555420 is a wasteful number, since it uses less digits than its factorization.

1041555420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786434 (or 5786429 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1041555420 is about 32273.1377464293. The cubic root of 1041555420 is about 1013.6642446603.

The spelling of 1041555420 in words is "one billion, forty-one million, five hundred fifty-five thousand, four hundred twenty".