726151512540 has 192 divisors, whose sum is σ = 2228839280640. Its totient is φ = 175959060480.

The previous prime is 726151512523. The next prime is 726151512553. The reversal of 726151512540 is 45215151627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3902502 + ... + 4084338.

It is an arithmetic number, because the mean of its divisors is an integer number (11608537920).

Almost surely, 2^726151512540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726151512540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114419640320).

726151512540 is an abundant number, since it is smaller than the sum of its proper divisors (1502687768100).

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

726151512540 is a wasteful number, since it uses less digits than its factorization.

726151512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182012 (or 182010 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 726151512540 in words is "seven hundred twenty-six billion, one hundred fifty-one million, five hundred twelve thousand, five hundred forty".