406624026 has 16 divisors (see below), whose sum is σ = 813631104. Its totient is φ = 135477504.

The previous prime is 406624007. The next prime is 406624091. The reversal of 406624026 is 620426604.

It is a junction number, because it is equal to n+sod(n) for n = 406623984 and 406624002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095 + ... + 28538.

It is an arithmetic number, because the mean of its divisors is an integer number (50851944).

Almost surely, 2^406624026 is an apocalyptic number.

406624026 is an abundant number, since it is smaller than the sum of its proper divisors (407007078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406624026 is a wasteful number, since it uses less digits than its factorization.

406624026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31925.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 406624026 is about 20164.9206792390. The cubic root of 406624026 is about 740.8512398044.

The spelling of 406624026 in words is "four hundred six million, six hundred twenty-four thousand, twenty-six".