402104019 has 8 divisors (see below), whose sum is σ = 537730960. Its totient is φ = 267273216.

The previous prime is 402103997. The next prime is 402104033. The reversal of 402104019 is 910401204.

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

It is not a de Polignac number, because 402104019 - 2⁵ = 402103987 is a prime.

It is a super-2 number, since 2×402104019² = 323375284191904722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402103986 and 402104004.

It is not an unprimeable number, because it can be changed into a prime (402104089) 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, 197854 + ... + 199875.

It is an arithmetic number, because the mean of its divisors is an integer number (67216370).

Almost surely, 2^402104019 is an apocalyptic number.

402104019 is a deficient number, since it is larger than the sum of its proper divisors (135626941).

402104019 is a wasteful number, since it uses less digits than its factorization.

402104019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398069.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 402104019 is about 20052.5314860743. The cubic root of 402104019 is about 738.0959199213.

The spelling of 402104019 in words is "four hundred two million, one hundred four thousand, nineteen".