3155400465 has 16 divisors (see below), whose sum is σ = 5769875328. Its totient is φ = 1442468736.

The previous prime is 3155400463. The next prime is 3155400553. The reversal of 3155400465 is 5640045513.

It is not a de Polignac number, because 3155400465 - 2¹ = 3155400463 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3155400461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15025612 + ... + 15025821.

It is an arithmetic number, because the mean of its divisors is an integer number (360617208).

Almost surely, 2^3155400465 is an apocalyptic number.

3155400465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3155400465 is a deficient number, since it is larger than the sum of its proper divisors (2614474863).

3155400465 is a wasteful number, since it uses less digits than its factorization.

3155400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30051448.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 3155400465 is about 56172.9513645135. The cubic root of 3155400465 is about 1466.7344582703.

Adding to 3155400465 its reverse (5640045513), we get a palindrome (8795445978).

The spelling of 3155400465 in words is "three billion, one hundred fifty-five million, four hundred thousand, four hundred sixty-five".