401400342400 has 96 divisors (see below), whose sum is σ = 1034696833200. Its totient is φ = 153579233280.

The previous prime is 401400342397. The next prime is 401400342407. The reversal of 401400342400 is 4243004104.

It is a super-2 number, since 2×401400342400² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401400342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2653305 + ... + 2800504.

Almost surely, 2^401400342400 is an apocalyptic number.

401400342400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401400342400 is an abundant number, since it is smaller than the sum of its proper divisors (633296490800).

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

401400342400 is a wasteful number, since it uses less digits than its factorization.

401400342400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453856 (or 5453839 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 401400342400 its reverse (4243004104), we get a palindrome (405643346504).

The spelling of 401400342400 in words is "four hundred one billion, four hundred million, three hundred forty-two thousand, four hundred".