40641026 has 8 divisors (see below), whose sum is σ = 60988620. Its totient is φ = 20311488.

The previous prime is 40641017. The next prime is 40641037. The reversal of 40641026 is 62014604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37027225 + 3613801 = 6085^2 + 1901^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40640992 and 40641010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6230 + ... + 10958.

Almost surely, 2^40641026 is an apocalyptic number.

40641026 is a deficient number, since it is larger than the sum of its proper divisors (20347594).

40641026 is a wasteful number, since it uses less digits than its factorization.

40641026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40641026 is about 6375.0314509028. The cubic root of 40641026 is about 343.8124146281.

The spelling of 40641026 in words is "forty million, six hundred forty-one thousand, twenty-six".