400102433 has 4 divisors (see below), whose sum is σ = 401389248. Its totient is φ = 398815620.

The previous prime is 400102403. The next prime is 400102447. The reversal of 400102433 is 334201004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400102433 - 2⁶ = 400102369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400102403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642941 + ... + 643562.

It is an arithmetic number, because the mean of its divisors is an integer number (100347312).

Almost surely, 2^400102433 is an apocalyptic number.

It is an amenable number.

400102433 is a deficient number, since it is larger than the sum of its proper divisors (1286815).

400102433 is a wasteful number, since it uses less digits than its factorization.

400102433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286814.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 400102433 is about 20002.5606610754. The cubic root of 400102433 is about 736.8691887599.

Adding to 400102433 its reverse (334201004), we get a palindrome (734303437).

The spelling of 400102433 in words is "four hundred million, one hundred two thousand, four hundred thirty-three".