3404720155 has 16 divisors (see below), whose sum is σ = 4244280768. Its totient is φ = 2619904000.

The previous prime is 3404720129. The next prime is 3404720213. The reversal of 3404720155 is 5510274043.

It is not a de Polignac number, because 3404720155 - 2¹³ = 3404711963 is a prime.

It is a Duffinian 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, 102406 + ... + 131515.

It is an arithmetic number, because the mean of its divisors is an integer number (265267548).

Almost surely, 2^3404720155 is an apocalyptic number.

3404720155 is a deficient number, since it is larger than the sum of its proper divisors (839560613).

3404720155 is a wasteful number, since it uses less digits than its factorization.

3404720155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234038.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 3404720155 is about 58349.9799057378. The cubic root of 3404720155 is about 1504.3901245949.

Adding to 3404720155 its reverse (5510274043), we get a palindrome (8914994198).

The spelling of 3404720155 in words is "three billion, four hundred four million, seven hundred twenty thousand, one hundred fifty-five".