401433000 has 64 divisors (see below), whose sum is σ = 1252480320. Its totient is φ = 107048000.

The previous prime is 401432989. The next prime is 401433023. The reversal of 401433000 is 334104.

It is a super-2 number, since 2×401433000² = 322296906978000000, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63906 + ... + 69905.

It is an arithmetic number, because the mean of its divisors is an integer number (19570005).

Almost surely, 2^401433000 is an apocalyptic number.

401433000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401433000 is an abundant number, since it is smaller than the sum of its proper divisors (851047320).

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

401433000 is a wasteful number, since it uses less digits than its factorization.

401433000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133835 (or 133821 counting only the distinct ones).

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

The square root of 401433000 is about 20035.7929715796. The cubic root of 401433000 is about 737.6851206264.

Adding to 401433000 its reverse (334104), we get a palindrome (401767104).

The spelling of 401433000 in words is "four hundred one million, four hundred thirty-three thousand".