2155030032 has 40 divisors (see below), whose sum is σ = 5672208384. Its totient is φ = 704788864.

The previous prime is 2155030013. The next prime is 2155030043. The reversal of 2155030032 is 2300305512.

It is a junction number, because it is equal to n+sod(n) for n = 2155029990 and 2155030008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421008 + ... + 426095.

Almost surely, 2^2155030032 is an apocalyptic number.

It is an amenable number.

2155030032 is an abundant number, since it is smaller than the sum of its proper divisors (3517178352).

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

2155030032 is a wasteful number, since it uses less digits than its factorization.

2155030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847167 (or 847161 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2155030032 is about 46422.3010200916. The cubic root of 2155030032 is about 1291.6686201030.

Adding to 2155030032 its reverse (2300305512), we get a palindrome (4455335544).

The spelling of 2155030032 in words is "two billion, one hundred fifty-five million, thirty thousand, thirty-two".