42131444302402 has 32 divisors (see below), whose sum is σ = 77909268390912. Its totient is φ = 16639925891904.

The previous prime is 42131444302397. The next prime is 42131444302403. The reversal of 42131444302402 is 20420344413124.

It is not an unprimeable number, because it can be changed into a prime (42131444302403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190574413 + ... + 190795360.

It is an arithmetic number, because the mean of its divisors is an integer number (2434664637216).

Almost surely, 2^{42131444302402} is an apocalyptic number.

42131444302402 is a deficient number, since it is larger than the sum of its proper divisors (35777824088510).

42131444302402 is a wasteful number, since it uses less digits than its factorization.

42131444302402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381370402.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 42131444302402 its reverse (20420344413124), we get a palindrome (62551788715526).

The spelling of 42131444302402 in words is "forty-two trillion, one hundred thirty-one billion, four hundred forty-four million, three hundred two thousand, four hundred two".