404230021010 has 32 divisors (see below), whose sum is σ = 771318322992. Its totient is φ = 152002252800.

The previous prime is 404230021001. The next prime is 404230021021. The reversal of 404230021010 is 10120032404.

It can be written as a sum of positive squares in 8 ways, for example, as 251643692881 + 152586328129 = 501641^2 + 390623^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 404230021010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248791 + ... + 1538810.

Almost surely, 2^404230021010 is an apocalyptic number.

404230021010 is a deficient number, since it is larger than the sum of its proper divisors (367088301982).

404230021010 is a wasteful number, since it uses less digits than its factorization.

404230021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788478.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 404230021010 its reverse (10120032404), we get a palindrome (414350053414).

The spelling of 404230021010 in words is "four hundred four billion, two hundred thirty million, twenty-one thousand, ten".