42402415289524 has 12 divisors (see below), whose sum is σ = 76014085946148. Its totient is φ = 20684105019200.

The previous prime is 42402415289477. The next prime is 42402415289543. The reversal of 42402415289524 is 42598251420424.

It can be written as a sum of positive squares in 2 ways, for example, as 4617642276900 + 37784773012624 = 2148870^2 + 6146932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129275656207 + ... + 129275656534.

It is an arithmetic number, because the mean of its divisors is an integer number (6334507162179).

Almost surely, 2^{42402415289524} is an apocalyptic number.

It is an amenable number.

42402415289524 is a deficient number, since it is larger than the sum of its proper divisors (33611670656624).

42402415289524 is a wasteful number, since it uses less digits than its factorization.

42402415289524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258551312786 (or 258551312784 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 52.

The spelling of 42402415289524 in words is "forty-two trillion, four hundred two billion, four hundred fifteen million, two hundred eighty-nine thousand, five hundred twenty-four".