8418725153640 has 192 divisors, whose sum is σ = 29867602564800. Its totient is φ = 2126835781632.

The previous prime is 8418725153639. The next prime is 8418725153651. The reversal of 8418725153640 is 463515278148.

It is a happy number.

8418725153640 is a `hidden beast` number, since 8 + 4 + 1 + 87 + 2 + 515 + 3 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22608057 + ... + 22977416.

It is an arithmetic number, because the mean of its divisors is an integer number (155560430025).

Almost surely, 2^{8418725153640} is an apocalyptic number.

It is an amenable number.

8418725153640 is an abundant number, since it is smaller than the sum of its proper divisors (21448877411160).

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

8418725153640 is a wasteful number, since it uses less digits than its factorization.

8418725153640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45585518 (or 45585502 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 8418725153640 in words is "eight trillion, four hundred eighteen billion, seven hundred twenty-five million, one hundred fifty-three thousand, six hundred forty".