16442732420402 has 8 divisors (see below), whose sum is σ = 24666055981212. Its totient is φ = 8220713760000.

The previous prime is 16442732420369. The next prime is 16442732420461. The reversal of 16442732420402 is 20402423724461.

It can be written as a sum of positive squares in 2 ways, for example, as 16433464700041 + 9267720361 = 4053821^2 + 96269^2 .

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

It is a super-3 number, since 3×16442732420402³ (a number of 41 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 16442732420402.

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, 326193599 + ... + 326244002.

Almost surely, 2^{16442732420402} is an apocalyptic number.

16442732420402 is a deficient number, since it is larger than the sum of its proper divisors (8223323560810).

16442732420402 is a wasteful number, since it uses less digits than its factorization.

16442732420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652450204.

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 16442732420402 in words is "sixteen trillion, four hundred forty-two billion, seven hundred thirty-two million, four hundred twenty thousand, four hundred two".