402044000001 has 16 divisors (see below), whose sum is σ = 612675508224. Its totient is φ = 229725541584.

The previous prime is 402043999993. The next prime is 402044000009. The reversal of 402044000001 is 100000440204.

It is an interprime number because it is at equal distance from previous prime (402043999993) and next prime (402044000009).

It is not a de Polignac number, because 402044000001 - 2³ = 402043999993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402044000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217705 + ... + 922758.

It is an arithmetic number, because the mean of its divisors is an integer number (38292219264).

Almost surely, 2^402044000001 is an apocalyptic number.

It is an amenable number.

402044000001 is a deficient number, since it is larger than the sum of its proper divisors (210631508223).

402044000001 is a wasteful number, since it uses less digits than its factorization.

402044000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157260.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 402044000001 its reverse (100000440204), we get a palindrome (502044440205).

The spelling of 402044000001 in words is "four hundred two billion, forty-four million, one", and thus it is an aban number.