3155230140 has 24 divisors (see below), whose sum is σ = 8834644560. Its totient is φ = 841394688.

The previous prime is 3155230123. The next prime is 3155230147. The reversal of 3155230140 is 410325513.

It is a self number, because there is not a number n which added to its sum of digits gives 3155230140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155230147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26293525 + ... + 26293644.

It is an arithmetic number, because the mean of its divisors is an integer number (368110190).

Almost surely, 2^3155230140 is an apocalyptic number.

3155230140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3155230140 is an abundant number, since it is smaller than the sum of its proper divisors (5679414420).

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

3155230140 is a wasteful number, since it uses less digits than its factorization.

3155230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52587181 (or 52587179 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3155230140 is about 56171.4352674026. The cubic root of 3155230140 is about 1466.7080668984.

Adding to 3155230140 its reverse (410325513), we get a palindrome (3565555653).

The spelling of 3155230140 in words is "three billion, one hundred fifty-five million, two hundred thirty thousand, one hundred forty".