4155206490 has 48 divisors (see below), whose sum is σ = 10813470408. Its totient is φ = 1107036288.

The previous prime is 4155206483. The next prime is 4155206509. The reversal of 4155206490 is 946025514.

4155206490 is a `hidden beast` number, since 4 + 1 + 5 + 5 + 2 + 0 + 649 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3299468481 + 855738009 = 57441^2 + 29253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79864 + ... + 121196.

Almost surely, 2^4155206490 is an apocalyptic number.

4155206490 is an abundant number, since it is smaller than the sum of its proper divisors (6658263918).

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

4155206490 is a wasteful number, since it uses less digits than its factorization.

4155206490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42463 (or 42460 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4155206490 is about 64460.8911666601. The cubic root of 4155206490 is about 1607.6723291826.

The spelling of 4155206490 in words is "four billion, one hundred fifty-five million, two hundred six thousand, four hundred ninety".