542021436451632 has 40 divisors (see below), whose sum is σ = 1400223249570096. Its totient is φ = 180673656614656.

The previous prime is 542021436451631. The next prime is 542021436451661. The reversal of 542021436451632 is 236154634120245.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (542021436451631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60554218 + ... + 68926454.

Almost surely, 2^{542021436451632} is an apocalyptic number.

It is an amenable number.

542021436451632 is an abundant number, since it is smaller than the sum of its proper divisors (858201813118464).

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

542021436451632 is a wasteful number, since it uses less digits than its factorization.

542021436451632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721005 (or 9720999 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 542021436451632 in words is "five hundred forty-two trillion, twenty-one billion, four hundred thirty-six million, four hundred fifty-one thousand, six hundred thirty-two".