400130030243244 has 72 divisors (see below), whose sum is σ = 1087969270035648. Its totient is φ = 114122650511520.

The previous prime is 400130030243239. The next prime is 400130030243257. The reversal of 400130030243244 is 442342030031004.

It is a happy number.

It is a super-2 number, since 2×400130030243244² (a number of 30 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 595542754 + ... + 596214249.

Almost surely, 2^{400130030243244} is an apocalyptic number.

It is an amenable number.

400130030243244 is an abundant number, since it is smaller than the sum of its proper divisors (687839239792404).

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

400130030243244 is a wasteful number, since it uses less digits than its factorization.

400130030243244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191757595 (or 1191757586 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 400130030243244 its reverse (442342030031004), we get a palindrome (842472060274248).

The spelling of 400130030243244 in words is "four hundred trillion, one hundred thirty billion, thirty million, two hundred forty-three thousand, two hundred forty-four".