402402232140443 has 8 divisors (see below), whose sum is σ = 423582132736320. Its totient is φ = 381222415119240.

The previous prime is 402402232140371. The next prime is 402402232140449. The reversal of 402402232140443 is 344041232204204.

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

It is a cyclic number.

It is not a de Polignac number, because 402402232140443 - 2¹⁴ = 402402232124059 is a prime.

It is a super-2 number, since 2×402402232140443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402402232140449) 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, 10887605 + ... + 30386582.

It is an arithmetic number, because the mean of its divisors is an integer number (52947766592040).

Almost surely, 2^{402402232140443} is an apocalyptic number.

402402232140443 is a deficient number, since it is larger than the sum of its proper divisors (21179900595877).

402402232140443 is a wasteful number, since it uses less digits than its factorization.

402402232140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41787337.

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

Adding to 402402232140443 its reverse (344041232204204), we get a palindrome (746443464344647).

The spelling of 402402232140443 in words is "four hundred two trillion, four hundred two billion, two hundred thirty-two million, one hundred forty thousand, four hundred forty-three".