402540354310641 has 8 divisors (see below), whose sum is σ = 540581770777440. Its totient is φ = 266429587025472.

The previous prime is 402540354310561. The next prime is 402540354310663. The reversal of 402540354310641 is 146013453045204.

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

It is not a de Polignac number, because 402540354310641 - 2¹¹ = 402540354308593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402540354310593 and 402540354310602.

It is not an unprimeable number, because it can be changed into a prime (402540354310441) 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, 482662294920 + ... + 482662295753.

It is an arithmetic number, because the mean of its divisors is an integer number (67572721347180).

Almost surely, 2^{402540354310641} is an apocalyptic number.

It is an amenable number.

402540354310641 is a deficient number, since it is larger than the sum of its proper divisors (138041416466799).

402540354310641 is a wasteful number, since it uses less digits than its factorization.

402540354310641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965324590815.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 402540354310641 in words is "four hundred two trillion, five hundred forty billion, three hundred fifty-four million, three hundred ten thousand, six hundred forty-one".