542024635026621 has 32 divisors (see below), whose sum is σ = 733361007899520. Its totient is φ = 356064052780800.

The previous prime is 542024635026607. The next prime is 542024635026653. The reversal of 542024635026621 is 126620536420245.

It is not a de Polignac number, because 542024635026621 - 2³⁹ = 541474879212733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542024635026661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40615335 + ... + 52284363.

It is an arithmetic number, because the mean of its divisors is an integer number (22917531496860).

Almost surely, 2^{542024635026621} is an apocalyptic number.

It is an amenable number.

542024635026621 is a deficient number, since it is larger than the sum of its proper divisors (191336372872899).

542024635026621 is a wasteful number, since it uses less digits than its factorization.

542024635026621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669997.

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

The spelling of 542024635026621 in words is "five hundred forty-two trillion, twenty-four billion, six hundred thirty-five million, twenty-six thousand, six hundred twenty-one".