3155340405 has 16 divisors (see below), whose sum is σ = 5769765504. Its totient is φ = 1442441280.

The previous prime is 3155340401. The next prime is 3155340421. The reversal of 3155340405 is 5040435513.

3155340405 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3155340405 - 2² = 3155340401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155340401) 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, 15025326 + ... + 15025535.

It is an arithmetic number, because the mean of its divisors is an integer number (360610344).

Almost surely, 2^3155340405 is an apocalyptic number.

3155340405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3155340405 is a deficient number, since it is larger than the sum of its proper divisors (2614425099).

3155340405 is a wasteful number, since it uses less digits than its factorization.

3155340405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30050876.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3155340405 is about 56172.4167630342. The cubic root of 3155340405 is about 1466.7251522534.

Adding to 3155340405 its reverse (5040435513), we get a palindrome (8195775918).

The spelling of 3155340405 in words is "three billion, one hundred fifty-five million, three hundred forty thousand, four hundred five".