42404343234534 has 24 divisors (see below), whose sum is σ = 91878987275712. Its totient is φ = 14134333344720.

The previous prime is 42404343234529. The next prime is 42404343234557. The reversal of 42404343234534 is 43543234340424.

42404343234534 is a `hidden beast` number, since 4 + 2 + 4 + 0 + 43 + 43 + 2 + 34 + 534 = 666.

It is a super-3 number, since 3×42404343234534³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42404343234534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36726837 + ... + 37863824.

It is an arithmetic number, because the mean of its divisors is an integer number (3828291136488).

Almost surely, 2^{42404343234534} is an apocalyptic number.

42404343234534 is an abundant number, since it is smaller than the sum of its proper divisors (49474644041178).

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

42404343234534 is a wasteful number, since it uses less digits than its factorization.

42404343234534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74622252 (or 74622249 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 45.

Adding to 42404343234534 its reverse (43543234340424), we get a palindrome (85947577574958).

The spelling of 42404343234534 in words is "forty-two trillion, four hundred four billion, three hundred forty-three million, two hundred thirty-four thousand, five hundred thirty-four".