7452240522540 has 192 divisors, whose sum is σ = 22864876715520. Its totient is φ = 1798546728960.

The previous prime is 7452240522521. The next prime is 7452240522583. The reversal of 7452240522540 is 452250422547.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7452240522492 and 7452240522501.

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, 207121032 + ... + 207157008.

It is an arithmetic number, because the mean of its divisors is an integer number (119087899560).

Almost surely, 2^{7452240522540} 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 7452240522540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11432438357760).

7452240522540 is an abundant number, since it is smaller than the sum of its proper divisors (15412636192980).

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

7452240522540 is a wasteful number, since it uses less digits than its factorization.

7452240522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37392 (or 37390 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 42.

The spelling of 7452240522540 in words is "seven trillion, four hundred fifty-two billion, two hundred forty million, five hundred twenty-two thousand, five hundred forty".