388725421070 has 32 divisors (see below), whose sum is σ = 800873597376. Its totient is φ = 133075641600.

The previous prime is 388725421069. The next prime is 388725421079. The reversal of 388725421070 is 70124527883.

It is a super-2 number, since 2×388725421070² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388725421079) 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, 4154351 + ... + 4246890.

It is an arithmetic number, because the mean of its divisors is an integer number (25027299918).

Almost surely, 2^388725421070 is an apocalyptic number.

388725421070 is an abundant number, since it is smaller than the sum of its proper divisors (412148176306).

388725421070 is a wasteful number, since it uses less digits than its factorization.

388725421070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401916.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 388725421070 in words is "three hundred eighty-eight billion, seven hundred twenty-five million, four hundred twenty-one thousand, seventy".