130421220040 has 16 divisors (see below), whose sum is σ = 293447745180. Its totient is φ = 52168488000.

The previous prime is 130421220029. The next prime is 130421220053. The reversal of 130421220040 is 40022124031.

It can be written as a sum of positive squares in 2 ways, for example, as 109652375044 + 20768844996 = 331138^2 + 144114^2 .

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, 1630265211 + ... + 1630265290.

Almost surely, 2^130421220040 is an apocalyptic number.

130421220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130421220040 is an abundant number, since it is smaller than the sum of its proper divisors (163026525140).

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

130421220040 is a wasteful number, since it uses less digits than its factorization.

130421220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260530512 (or 3260530508 counting only the distinct ones).

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

Adding to 130421220040 its reverse (40022124031), we get a palindrome (170443344071).

The spelling of 130421220040 in words is "one hundred thirty billion, four hundred twenty-one million, two hundred twenty thousand, forty".