401240323430 has 16 divisors (see below), whose sum is σ = 723209906160. Its totient is φ = 160278946272.

The previous prime is 401240323411. The next prime is 401240323441. The reversal of 401240323430 is 34323042104.

It is a super-2 number, since 2×401240323430² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401240323430.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27140129 + ... + 27154908.

It is an arithmetic number, because the mean of its divisors is an integer number (45200619135).

Almost surely, 2^401240323430 is an apocalyptic number.

401240323430 is a deficient number, since it is larger than the sum of its proper divisors (321969582730).

401240323430 is a wasteful number, since it uses less digits than its factorization.

401240323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54295783.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 401240323430 its reverse (34323042104), we get a palindrome (435563365534).

The spelling of 401240323430 in words is "four hundred one billion, two hundred forty million, three hundred twenty-three thousand, four hundred thirty".