42402244424402 has 8 divisors (see below), whose sum is σ = 65154668262012. Its totient is φ = 20684021670400.

The previous prime is 42402244424399. The next prime is 42402244424453. The reversal of 42402244424402 is 20442444220424.

It can be written as a sum of positive squares in 2 ways, for example, as 42397144893481 + 5099530921 = 6511309^2 + 71411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 258550270799 + ... + 258550270962.

Almost surely, 2^{42402244424402} is an apocalyptic number.

42402244424402 is a deficient number, since it is larger than the sum of its proper divisors (22752423837610).

42402244424402 is a wasteful number, since it uses less digits than its factorization.

42402244424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517100541804.

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 42402244424402 its reverse (20442444220424), we get a palindrome (62844688644826).

The spelling of 42402244424402 in words is "forty-two trillion, four hundred two billion, two hundred forty-four million, four hundred twenty-four thousand, four hundred two".