542461640651502 has 64 divisors (see below), whose sum is σ = 1274696215107840. Its totient is φ = 151725494304000.

The previous prime is 542461640651453. The next prime is 542461640651507. The reversal of 542461640651502 is 205156046164245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542461640651507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14223999 + ... + 35878202.

It is an arithmetic number, because the mean of its divisors is an integer number (19917128361060).

Almost surely, 2^{542461640651502} is an apocalyptic number.

542461640651502 is an abundant number, since it is smaller than the sum of its proper divisors (732234574456338).

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

542461640651502 is a wasteful number, since it uses less digits than its factorization.

542461640651502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50114849.

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 542461640651502 in words is "five hundred forty-two trillion, four hundred sixty-one billion, six hundred forty million, six hundred fifty-one thousand, five hundred two".