401031345400 has 48 divisors (see below), whose sum is σ = 1065597578640. Its totient is φ = 137496460800.

The previous prime is 401031345389. The next prime is 401031345401. The reversal of 401031345400 is 4543130104.

It is a super-2 number, since 2×401031345400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401031345401) 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 11 ways as a sum of consecutive naturals, for example, 143224081 + ... + 143226880.

It is an arithmetic number, because the mean of its divisors is an integer number (22199949555).

Almost surely, 2^401031345400 is an apocalyptic number.

401031345400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401031345400 is an abundant number, since it is smaller than the sum of its proper divisors (664566233240).

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

401031345400 is a wasteful number, since it uses less digits than its factorization.

401031345400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286450984 (or 286450975 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 401031345400 its reverse (4543130104), we get a palindrome (405574475504).

The spelling of 401031345400 in words is "four hundred one billion, thirty-one million, three hundred forty-five thousand, four hundred".