402104233821 has 8 divisors (see below), whose sum is σ = 537296947840. Its totient is φ = 267490504512.

The previous prime is 402104233819. The next prime is 402104233837. The reversal of 402104233821 is 128332401204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402104233821 - 2¹ = 402104233819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402104233841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144744556 + ... + 144747333.

It is an arithmetic number, because the mean of its divisors is an integer number (67162118480).

Almost surely, 2^402104233821 is an apocalyptic number.

It is an amenable number.

402104233821 is a deficient number, since it is larger than the sum of its proper divisors (135192714019).

402104233821 is a wasteful number, since it uses less digits than its factorization.

402104233821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289492355.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 402104233821 in words is "four hundred two billion, one hundred four million, two hundred thirty-three thousand, eight hundred twenty-one".