402112644225641 has 4 divisors (see below), whose sum is σ = 402112692225792. Its totient is φ = 402112596225492.

The previous prime is 402112644225583. The next prime is 402112644225707. The reversal of 402112644225641 is 146522446211204.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 402112644225641 - 2¹⁸ = 402112643963497 is a prime.

It is a super-2 number, since 2×402112644225641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402112644225592 and 402112644225601.

It is not an unprimeable number, because it can be changed into a prime (402112604225641) 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, 7780121 + ... + 29406726.

It is an arithmetic number, because the mean of its divisors is an integer number (100528173056448).

Almost surely, 2^{402112644225641} is an apocalyptic number.

It is an amenable number.

402112644225641 is a deficient number, since it is larger than the sum of its proper divisors (48000151).

402112644225641 is a wasteful number, since it uses less digits than its factorization.

402112644225641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48000150.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 402112644225641 in words is "four hundred two trillion, one hundred twelve billion, six hundred forty-four million, two hundred twenty-five thousand, six hundred forty-one".