6212155944 has 32 divisors (see below), whose sum is σ = 16347780000. Its totient is φ = 1961733312.

The previous prime is 6212155921. The next prime is 6212155969. The reversal of 6212155944 is 4495512126.

It is a super-2 number, since 2×6212155944² = 77181762945149062272, which contains 22 as substring.

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, 6811119 + ... + 6812030.

It is an arithmetic number, because the mean of its divisors is an integer number (510868125).

Almost surely, 2^6212155944 is an apocalyptic number.

It is an amenable number.

6212155944 is an abundant number, since it is smaller than the sum of its proper divisors (10135624056).

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

6212155944 is a wasteful number, since it uses less digits than its factorization.

6212155944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623177 (or 13623173 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 6212155944 is about 78817.2312632206. The cubic root of 6212155944 is about 1838.2903882417.

The spelling of 6212155944 in words is "six billion, two hundred twelve million, one hundred fifty-five thousand, nine hundred forty-four".