401125450 has 48 divisors (see below), whose sum is σ = 821509920. Its totient is φ = 144504000.

The previous prime is 401125409. The next prime is 401125453. The reversal of 401125450 is 54521104.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (401125453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56605 + ... + 63295.

It is an arithmetic number, because the mean of its divisors is an integer number (17114790).

Almost surely, 2^401125450 is an apocalyptic number.

401125450 is an abundant number, since it is smaller than the sum of its proper divisors (420384470).

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

401125450 is a wasteful number, since it uses less digits than its factorization.

401125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823 (or 6818 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 401125450 is about 20028.1164865796. The cubic root of 401125450 is about 737.4966848458.

Adding to 401125450 its reverse (54521104), we get a palindrome (455646554).

The spelling of 401125450 in words is "four hundred one million, one hundred twenty-five thousand, four hundred fifty".