4155409020 has 48 divisors (see below), whose sum is σ = 13297310208. Its totient is φ = 949807680.

The previous prime is 4155409019. The next prime is 4155409033. The reversal of 4155409020 is 209045514.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4946496 + ... + 4947335.

It is an arithmetic number, because the mean of its divisors is an integer number (277027296).

Almost surely, 2^4155409020 is an apocalyptic number.

It is an amenable number.

4155409020 is an abundant number, since it is smaller than the sum of its proper divisors (9141901188).

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

4155409020 is a wasteful number, since it uses less digits than its factorization.

4155409020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893850 (or 9893848 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 4155409020 is about 64462.4621000470. The cubic root of 4155409020 is about 1607.6984487500.

The spelling of 4155409020 in words is "four billion, one hundred fifty-five million, four hundred nine thousand, twenty".