402004044929 has 4 divisors (see below), whose sum is σ = 402013422384. Its totient is φ = 401994667476.

The previous prime is 402004044899. The next prime is 402004044941. The reversal of 402004044929 is 929440400204.

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 402004044929 - 2¹² = 402004040833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402004044892 and 402004044901.

It is not an unprimeable number, because it can be changed into a prime (402004044329) 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, 4624127 + ... + 4710260.

It is an arithmetic number, because the mean of its divisors is an integer number (100503355596).

Almost surely, 2^402004044929 is an apocalyptic number.

It is an amenable number.

402004044929 is a deficient number, since it is larger than the sum of its proper divisors (9377455).

402004044929 is an equidigital number, since it uses as much as digits as its factorization.

402004044929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377454.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 402004044929 in words is "four hundred two billion, four million, forty-four thousand, nine hundred twenty-nine".