42143034242402 has 16 divisors (see below), whose sum is σ = 63566114397912. Its totient is φ = 20954602291200.

The previous prime is 42143034242389. The next prime is 42143034242459. The reversal of 42143034242402 is 20424243034124.

It can be written as a sum of positive squares in 4 ways, for example, as 39643280356681 + 2499753885721 = 6296291^2 + 1581061^2 .

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, 67902683 + ... + 68520510.

Almost surely, 2^{42143034242402} is an apocalyptic number.

42143034242402 is a deficient number, since it is larger than the sum of its proper divisors (21423080155510).

42143034242402 is a wasteful number, since it uses less digits than its factorization.

42143034242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136424053.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 42143034242402 its reverse (20424243034124), we get a palindrome (62567277276526).

The spelling of 42143034242402 in words is "forty-two trillion, one hundred forty-three billion, thirty-four million, two hundred forty-two thousand, four hundred two".