100401403420 has 12 divisors (see below), whose sum is σ = 210842947224. Its totient is φ = 40160561360.

The previous prime is 100401403387. The next prime is 100401403447. The reversal of 100401403420 is 24304104001.

It is a super-3 number, since 3×100401403420³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510035066 + ... + 2510035105.

It is an arithmetic number, because the mean of its divisors is an integer number (17570245602).

Almost surely, 2^100401403420 is an apocalyptic number.

100401403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100401403420 is an abundant number, since it is smaller than the sum of its proper divisors (110441543804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100401403420 is a wasteful number, since it uses less digits than its factorization.

100401403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020070180 (or 5020070178 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 100401403420 its reverse (24304104001), we get a palindrome (124705507421).

The spelling of 100401403420 in words is "one hundred billion, four hundred one million, four hundred three thousand, four hundred twenty".