3155532972 has 24 divisors (see below), whose sum is σ = 7374860976. Its totient is φ = 1050137088.

The previous prime is 3155532971. The next prime is 3155533009. The reversal of 3155532972 is 2792355513.

3155532972 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 an unprimeable number, because it can be changed into a prime (3155532971) 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, 205693 + ... + 220500.

It is an arithmetic number, because the mean of its divisors is an integer number (307285874).

Almost surely, 2^3155532972 is an apocalyptic number.

It is an amenable number.

3155532972 is an abundant number, since it is smaller than the sum of its proper divisors (4219328004).

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

3155532972 is a wasteful number, since it uses less digits than its factorization.

3155532972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426817 (or 426815 counting only the distinct ones).

The product of its digits is 283500, while the sum is 42.

The square root of 3155532972 is about 56174.1308076947. The cubic root of 3155532972 is about 1466.7549891944.

The spelling of 3155532972 in words is "three billion, one hundred fifty-five million, five hundred thirty-two thousand, nine hundred seventy-two".