402546404645203 has 32 divisors (see below), whose sum is σ = 513843475017600. Its totient is φ = 306725026599936.

The previous prime is 402546404645191. The next prime is 402546404645237. The reversal of 402546404645203 is 302546404645204.

It is a happy number.

It is not a de Polignac number, because 402546404645203 - 2⁹ = 402546404644691 is a prime.

It is a super-2 number, since 2×402546404645203² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402546404643203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195037026 + ... + 197090167.

It is an arithmetic number, because the mean of its divisors is an integer number (16057608594300).

Almost surely, 2^{402546404645203} is an apocalyptic number.

402546404645203 is a deficient number, since it is larger than the sum of its proper divisors (111297070372397).

402546404645203 is a wasteful number, since it uses less digits than its factorization.

402546404645203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392127631.

The product of its (nonzero) digits is 11059200, while the sum is 49.

Subtracting from 402546404645203 its reverse (302546404645204), we obtain a palindrome (99999999999999).

The spelling of 402546404645203 in words is "four hundred two trillion, five hundred forty-six billion, four hundred four million, six hundred forty-five thousand, two hundred three".