402622165741 has 8 divisors (see below), whose sum is σ = 404914586040. Its totient is φ = 400335372288.

The previous prime is 402622165721. The next prime is 402622165763. The reversal of 402622165741 is 147561226204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28433041641 + 374189124100 = 168621^2 + 611710^2 .

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

It is not a de Polignac number, because 402622165741 - 2³⁷ = 265183212269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402622165694 and 402622165703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402622165711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263156 + ... + 1549453.

It is an arithmetic number, because the mean of its divisors is an integer number (50614323255).

Almost surely, 2^402622165741 is an apocalyptic number.

It is an amenable number.

402622165741 is a deficient number, since it is larger than the sum of its proper divisors (2292420299).

402622165741 is a wasteful number, since it uses less digits than its factorization.

402622165741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813423.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 402622165741 in words is "four hundred two billion, six hundred twenty-two million, one hundred sixty-five thousand, seven hundred forty-one".