401472121530 has 32 divisors (see below), whose sum is σ = 963551018304. Its totient is φ = 107057240576.

The previous prime is 401472121481. The next prime is 401472121537. The reversal of 401472121530 is 35121274104.

It is a super-2 number, since 2×401472121530² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (401472121537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269669 + ... + 2440151.

It is an arithmetic number, because the mean of its divisors is an integer number (30110969322).

Almost surely, 2^401472121530 is an apocalyptic number.

401472121530 is an abundant number, since it is smaller than the sum of its proper divisors (562078896774).

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

401472121530 is a wasteful number, since it uses less digits than its factorization.

401472121530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248990.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 401472121530 its reverse (35121274104), we get a palindrome (436593395634).

The spelling of 401472121530 in words is "four hundred one billion, four hundred seventy-two million, one hundred twenty-one thousand, five hundred thirty".