402124404002 has 16 divisors (see below), whose sum is σ = 638831849760. Its totient is φ = 189186516288.

The previous prime is 402124403969. The next prime is 402124404007. The reversal of 402124404002 is 200404421204.

It is not an unprimeable number, because it can be changed into a prime (402124404007) 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, 1380752 + ... + 1646427.

It is an arithmetic number, because the mean of its divisors is an integer number (39926990610).

Almost surely, 2^402124404002 is an apocalyptic number.

402124404002 is a deficient number, since it is larger than the sum of its proper divisors (236707445758).

402124404002 is a wasteful number, since it uses less digits than its factorization.

402124404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031105.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 402124404002 its reverse (200404421204), we get a palindrome (602528825206).

The spelling of 402124404002 in words is "four hundred two billion, one hundred twenty-four million, four hundred four thousand, two".