40404026 has 16 divisors (see below), whose sum is σ = 66376800. Its totient is φ = 18331248.

The previous prime is 40404017. The next prime is 40404043. The reversal of 40404026 is 62040404.

It is a junction number, because it is equal to n+sod(n) for n = 40403989 and 40404007.

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, 11636 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (4148550).

Almost surely, 2^40404026 is an apocalyptic number.

40404026 is a deficient number, since it is larger than the sum of its proper divisors (25972774).

40404026 is a wasteful number, since it uses less digits than its factorization.

40404026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26413.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40404026 is about 6356.4161286058. The cubic root of 40404026 is about 343.1427920232.

The spelling of 40404026 in words is "forty million, four hundred four thousand, twenty-six".