408021026 has 16 divisors (see below), whose sum is σ = 704100480. Its totient is φ = 173707200.

The previous prime is 408021001. The next prime is 408021037. The reversal of 408021026 is 620120804.

It is a junction number, because it is equal to n+sod(n) for n = 408020992 and 408021010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94391 + ... + 98618.

It is an arithmetic number, because the mean of its divisors is an integer number (44006280).

Almost surely, 2^408021026 is an apocalyptic number.

408021026 is a deficient number, since it is larger than the sum of its proper divisors (296079454).

408021026 is a wasteful number, since it uses less digits than its factorization.

408021026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193169.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 408021026 is about 20199.5303410748. The cubic root of 408021026 is about 741.6986943933.

The spelling of 408021026 in words is "four hundred eight million, twenty-one thousand, twenty-six".