401230040 has 16 divisors (see below), whose sum is σ = 902767680. Its totient is φ = 160492000.

The previous prime is 401230021. The next prime is 401230043. The reversal of 401230040 is 40032104.

401230040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 401229997 and 401230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401230043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5015336 + ... + 5015415.

It is an arithmetic number, because the mean of its divisors is an integer number (56422980).

Almost surely, 2^401230040 is an apocalyptic number.

401230040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401230040 is an abundant number, since it is smaller than the sum of its proper divisors (501537640).

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

401230040 is a wasteful number, since it uses less digits than its factorization.

401230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030762 (or 10030758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 401230040 is about 20030.7273956789. The cubic root of 401230040 is about 737.5607779079.

Adding to 401230040 its reverse (40032104), we get a palindrome (441262144).

The spelling of 401230040 in words is "four hundred one million, two hundred thirty thousand, forty".