4155155402 has 8 divisors (see below), whose sum is σ = 6599364516. Its totient is φ = 1955367232.

The previous prime is 4155155363. The next prime is 4155155437. The reversal of 4155155402 is 2045515514.

It can be written as a sum of positive squares in 2 ways, for example, as 4154962681 + 192721 = 64459^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 61105193 + ... + 61105260.

Almost surely, 2^4155155402 is an apocalyptic number.

4155155402 is a deficient number, since it is larger than the sum of its proper divisors (2444209114).

4155155402 is a wasteful number, since it uses less digits than its factorization.

4155155402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122210472.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 4155155402 is about 64460.4948941598. The cubic root of 4155155402 is about 1607.6657404126.

The spelling of 4155155402 in words is "four billion, one hundred fifty-five million, one hundred fifty-five thousand, four hundred two".