403455110420242 has 8 divisors (see below), whose sum is σ = 605728366865100. Its totient is φ = 201545654798544.

The previous prime is 403455110420221. The next prime is 403455110420273. The reversal of 403455110420242 is 242024011554304.

It can be written as a sum of positive squares in 2 ways, for example, as 391925208004201 + 11529902416041 = 19797101^2 + 3395571^2 .

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

It is a super-2 number, since 2×403455110420242² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90950203017 + ... + 90950207452.

Almost surely, 2^{403455110420242} is an apocalyptic number.

403455110420242 is a deficient number, since it is larger than the sum of its proper divisors (202273256444858).

403455110420242 is a wasteful number, since it uses less digits than its factorization.

403455110420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181900411580.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 403455110420242 its reverse (242024011554304), we get a palindrome (645479121974546).

The spelling of 403455110420242 in words is "four hundred three trillion, four hundred fifty-five billion, one hundred ten million, four hundred twenty thousand, two hundred forty-two".