402742408141 has 4 divisors (see below), whose sum is σ = 402750766912. Its totient is φ = 402734049372.

The previous prime is 402742408111. The next prime is 402742408199. The reversal of 402742408141 is 141804247204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402742408141 - 2²⁹ = 402205537229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402742408141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402742408111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106691 + ... + 4203616.

It is an arithmetic number, because the mean of its divisors is an integer number (100687691728).

Almost surely, 2^402742408141 is an apocalyptic number.

It is an amenable number.

402742408141 is a deficient number, since it is larger than the sum of its proper divisors (8358771).

402742408141 is an equidigital number, since it uses as much as digits as its factorization.

402742408141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8358770.

The product of its (nonzero) digits is 57344, while the sum is 37.

The spelling of 402742408141 in words is "four hundred two billion, seven hundred forty-two million, four hundred eight thousand, one hundred forty-one".