401033400 has 96 divisors (see below), whose sum is σ = 1316366640. Its totient is φ = 100648960.

The previous prime is 401033393. The next prime is 401033401. The reversal of 401033400 is 4330104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 401033400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401033401) 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, 9459 + ... + 29858.

Almost surely, 2^401033400 is an apocalyptic number.

401033400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401033400 is an abundant number, since it is smaller than the sum of its proper divisors (915333240).

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

401033400 is a wasteful number, since it uses less digits than its factorization.

401033400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39353 (or 39344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 401033400 is about 20025.8183353390. The cubic root of 401033400 is about 737.4402671146.

Adding to 401033400 its reverse (4330104), we get a palindrome (405363504).

The spelling of 401033400 in words is "four hundred one million, thirty-three thousand, four hundred".