726502123642040 has 16 divisors (see below), whose sum is σ = 1634629778194680. Its totient is φ = 290600849456800.

The previous prime is 726502123642007. The next prime is 726502123642051. The reversal of 726502123642040 is 40246321205627.

726502123642040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 726502123641982 and 726502123642000.

It is a congruent number.

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, 9081276545486 + ... + 9081276545565.

Almost surely, 2^{726502123642040} is an apocalyptic number.

It is an amenable number.

726502123642040 is an abundant number, since it is smaller than the sum of its proper divisors (908127654552640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726502123642040 is a wasteful number, since it uses less digits than its factorization.

726502123642040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18162553091062 (or 18162553091058 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

Adding to 726502123642040 its reverse (40246321205627), we get a palindrome (766748444847667).

The spelling of 726502123642040 in words is "seven hundred twenty-six trillion, five hundred two billion, one hundred twenty-three million, six hundred forty-two thousand, forty".