42144541534 has 16 divisors (see below), whose sum is σ = 63301685616. Its totient is φ = 21044001600.

The previous prime is 42144541499. The next prime is 42144541541. The reversal of 42144541534 is 43514544124.

It is a super-2 number, since 2×42144541534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42144541493 and 42144541502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526244 + ... + 5533864.

It is an arithmetic number, because the mean of its divisors is an integer number (3956355351).

Almost surely, 2^42144541534 is an apocalyptic number.

42144541534 is a deficient number, since it is larger than the sum of its proper divisors (21157144082).

42144541534 is a wasteful number, since it uses less digits than its factorization.

42144541534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10971.

The product of its digits is 153600, while the sum is 37.

The spelling of 42144541534 in words is "forty-two billion, one hundred forty-four million, five hundred forty-one thousand, five hundred thirty-four".