100402242028 has 12 divisors (see below), whose sum is σ = 191677007592. Its totient is φ = 45637382720.

The previous prime is 100402242007. The next prime is 100402242043. The reversal of 100402242028 is 820242204001.

It is a super-2 number, since 2×100402242028² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100402241993 and 100402242011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140934525 + ... + 1140934612.

It is an arithmetic number, because the mean of its divisors is an integer number (15973083966).

Almost surely, 2^100402242028 is an apocalyptic number.

It is an amenable number.

100402242028 is a deficient number, since it is larger than the sum of its proper divisors (91274765564).

100402242028 is a wasteful number, since it uses less digits than its factorization.

100402242028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281869152 (or 2281869150 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 100402242028 its reverse (820242204001), we get a palindrome (920644446029).

The spelling of 100402242028 in words is "one hundred billion, four hundred two million, two hundred forty-two thousand, twenty-eight".