6215452542 has 56 divisors (see below), whose sum is σ = 15053679144. Its totient is φ = 1912441104.

The previous prime is 6215452499. The next prime is 6215452543. The reversal of 6215452542 is 2452545126.

6215452542 is a `hidden beast` number, since 62 + 1 + 5 + 4 + 52 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6215452497 and 6215452506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6215452543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 145008 + ... + 182915.

It is an arithmetic number, because the mean of its divisors is an integer number (268815699).

Almost surely, 2^6215452542 is an apocalyptic number.

6215452542 is an abundant number, since it is smaller than the sum of its proper divisors (8838226602).

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

6215452542 is a wasteful number, since it uses less digits than its factorization.

6215452542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327956 (or 327941 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 6215452542 is about 78838.1414164489. The cubic root of 6215452542 is about 1838.6155052552.

Adding to 6215452542 its reverse (2452545126), we get a palindrome (8667997668).

The spelling of 6215452542 in words is "six billion, two hundred fifteen million, four hundred fifty-two thousand, five hundred forty-two".