8400786122052 has 36 divisors (see below), whose sum is σ = 22158595280640. Its totient is φ = 2678511516912.

The previous prime is 8400786122051. The next prime is 8400786122083. The reversal of 8400786122052 is 2502216870048.

8400786122052 is a `hidden beast` number, since 8 + 4 + 0 + 0 + 7 + 8 + 612 + 20 + 5 + 2 = 666.

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

It is a super-2 number, since 2×8400786122052² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8400786121989 and 8400786122007.

It is not an unprimeable number, because it can be changed into a prime (8400786122051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5072937652 + ... + 5072939307.

Almost surely, 2^{8400786122052} is an apocalyptic number.

It is an amenable number.

8400786122052 is an abundant number, since it is smaller than the sum of its proper divisors (13757809158588).

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

8400786122052 is a wasteful number, since it uses less digits than its factorization.

8400786122052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145876992 (or 10145876987 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 8400786122052 in words is "eight trillion, four hundred billion, seven hundred eighty-six million, one hundred twenty-two thousand, fifty-two".