101420404240 has 40 divisors (see below), whose sum is σ = 236204256960. Its totient is φ = 40499031936.

The previous prime is 101420404207. The next prime is 101420404289. The reversal of 101420404240 is 42404024101.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032900 + ... + 1126819.

It is an arithmetic number, because the mean of its divisors is an integer number (5905106424).

Almost surely, 2^101420404240 is an apocalyptic number.

101420404240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101420404240 is an abundant number, since it is smaller than the sum of its proper divisors (134783852720).

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

101420404240 is a wasteful number, since it uses less digits than its factorization.

101420404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160319 (or 2160313 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 101420404240 its reverse (42404024101), we get a palindrome (143824428341).

The spelling of 101420404240 in words is "one hundred one billion, four hundred twenty million, four hundred four thousand, two hundred forty".