542156460630620 has 24 divisors (see below), whose sum is σ = 1242031164354288. Its totient is φ = 197147803865600.

The previous prime is 542156460630581. The next prime is 542156460630739. The reversal of 542156460630620 is 26036064651245.

It is a congruent number.

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, 1232173773941 + ... + 1232173774380.

It is an arithmetic number, because the mean of its divisors is an integer number (51751298514762).

Almost surely, 2^{542156460630620} is an apocalyptic number.

It is an amenable number.

542156460630620 is an abundant number, since it is smaller than the sum of its proper divisors (699874703723668).

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

542156460630620 is a wasteful number, since it uses less digits than its factorization.

542156460630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464347548341 (or 2464347548339 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 542156460630620 in words is "five hundred forty-two trillion, one hundred fifty-six billion, four hundred sixty million, six hundred thirty thousand, six hundred twenty".