402240345040541 has 4 divisors (see below), whose sum is σ = 459703251474912. Its totient is φ = 344777438606172.

The previous prime is 402240345040529. The next prime is 402240345040543. The reversal of 402240345040541 is 145040543042204.

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 402240345040541 - 2¹⁰ = 402240345039517 is a prime.

It is a super-5 number, since 5×402240345040541⁵ (a number of 74 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402240345040495 and 402240345040504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402240345040543) 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, 28731453217175 + ... + 28731453217188.

It is an arithmetic number, because the mean of its divisors is an integer number (114925812868728).

Almost surely, 2^{402240345040541} is an apocalyptic number.

It is an amenable number.

402240345040541 is a deficient number, since it is larger than the sum of its proper divisors (57462906434371).

402240345040541 is an equidigital number, since it uses as much as digits as its factorization.

402240345040541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57462906434370.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 402240345040541 its reverse (145040543042204), we get a palindrome (547280888082745).

The spelling of 402240345040541 in words is "four hundred two trillion, two hundred forty billion, three hundred forty-five million, forty thousand, five hundred forty-one".