40802618426 has 8 divisors (see below), whose sum is σ = 61294871604. Its totient is φ = 20370994560.

The previous prime is 40802618419. The next prime is 40802618489. The reversal of 40802618426 is 62481620804.

It can be written as a sum of positive squares in 2 ways, for example, as 40801980025 + 638401 = 201995^2 + 799^2 .

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

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, 15155645 + ... + 15158336.

Almost surely, 2^40802618426 is an apocalyptic number.

40802618426 is a deficient number, since it is larger than the sum of its proper divisors (20492253178).

40802618426 is a wasteful number, since it uses less digits than its factorization.

40802618426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314656.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 40802618426 in words is "forty billion, eight hundred two million, six hundred eighteen thousand, four hundred twenty-six".