40326689798 has 4 divisors (see below), whose sum is σ = 60490034700. Its totient is φ = 20163344898.

The previous prime is 40326689749. The next prime is 40326689807. The reversal of 40326689798 is 89798662304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40326689798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081672448 + ... + 10081672451.

It is an arithmetic number, because the mean of its divisors is an integer number (15122508675).

Almost surely, 2^40326689798 is an apocalyptic number.

40326689798 is a deficient number, since it is larger than the sum of its proper divisors (20163344902).

40326689798 is a wasteful number, since it uses less digits than its factorization.

40326689798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163344901.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 40326689798 in words is "forty billion, three hundred twenty-six million, six hundred eighty-nine thousand, seven hundred ninety-eight".