840152309481504 has 36 divisors (see below), whose sum is σ = 2389183130088846. Its totient is φ = 280050769827072.

The previous prime is 840152309481503. The next prime is 840152309481631. The reversal of 840152309481504 is 405184903251048.

840152309481504 is a `hidden beast` number, since 8 + 4 + 0 + 1 + 52 + 3 + 0 + 9 + 4 + 81 + 504 = 666.

It can be written as a sum of positive squares in only one way, i.e., 840052546995600 + 99762485904 = 28983660^2 + 315852^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (840152309481503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458597759229 + ... + 1458597759804.

Almost surely, 2^{840152309481504} is an apocalyptic number.

It is an amenable number.

840152309481504 is an abundant number, since it is smaller than the sum of its proper divisors (1549030820607342).

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

840152309481504 is a wasteful number, since it uses less digits than its factorization.

840152309481504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917195519049 (or 2917195519038 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 840152309481504 in words is "eight hundred forty trillion, one hundred fifty-two billion, three hundred nine million, four hundred eighty-one thousand, five hundred four".