40621423345 has 16 divisors (see below), whose sum is σ = 50337584640. Its totient is φ = 31436697600.

The previous prime is 40621423291. The next prime is 40621423351. The reversal of 40621423345 is 54332412604.

It is not a de Polignac number, because 40621423345 - 2⁹ = 40621422833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40621423345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362865 + ... + 461425.

It is an arithmetic number, because the mean of its divisors is an integer number (3146099040).

Almost surely, 2^40621423345 is an apocalyptic number.

It is an amenable number.

40621423345 is a deficient number, since it is larger than the sum of its proper divisors (9716161295).

40621423345 is a wasteful number, since it uses less digits than its factorization.

40621423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101256.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 40621423345 its reverse (54332412604), we get a palindrome (94953835949).

The spelling of 40621423345 in words is "forty billion, six hundred twenty-one million, four hundred twenty-three thousand, three hundred forty-five".