100402055401 has 8 divisors (see below), whose sum is σ = 100752724800. Its totient is φ = 100051565040.

The previous prime is 100402055393. The next prime is 100402055417. The reversal of 100402055401 is 104550204001.

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

It is a cyclic number.

It is not a de Polignac number, because 100402055401 - 2³ = 100402055393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100402025401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132555 + ... + 1217983.

It is an arithmetic number, because the mean of its divisors is an integer number (12594090600).

Almost surely, 2^100402055401 is an apocalyptic number.

It is an amenable number.

100402055401 is a deficient number, since it is larger than the sum of its proper divisors (350669399).

100402055401 is an equidigital number, since it uses as much as digits as its factorization.

100402055401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89519.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 100402055401 its reverse (104550204001), we get a palindrome (204952259402).

The spelling of 100402055401 in words is "one hundred billion, four hundred two million, fifty-five thousand, four hundred one".