726142021450045 has 16 divisors (see below), whose sum is σ = 933743503707840. Its totient is φ = 540154972152064.

The previous prime is 726142021449973. The next prime is 726142021450049. The reversal of 726142021450045 is 540054120241627.

It is a cyclic number.

It is not a de Polignac number, because 726142021450045 - 2¹⁹ = 726142020925757 is a prime.

It is a super-2 number, since 2×726142021450045² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726142021449983 and 726142021450010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726142021450049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51462928555 + ... + 51462942664.

It is an arithmetic number, because the mean of its divisors is an integer number (58358968981740).

Almost surely, 2^{726142021450045} is an apocalyptic number.

It is an amenable number.

726142021450045 is a deficient number, since it is larger than the sum of its proper divisors (207601482257795).

726142021450045 is a wasteful number, since it uses less digits than its factorization.

726142021450045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102925871324.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 726142021450045 in words is "seven hundred twenty-six trillion, one hundred forty-two billion, twenty-one million, four hundred fifty thousand, forty-five".