651755455452 has 72 divisors (see below), whose sum is σ = 1757959454160. Its totient is φ = 202998078720.

The previous prime is 651755455447. The next prime is 651755455453. The reversal of 651755455452 is 254554557156.

651755455452 is a `hidden beast` number, since 6 + 5 + 1 + 7 + 55 + 45 + 545 + 2 = 666.

It is a super-2 number, since 2×651755455452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651755455453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6476499 + ... + 6576362.

It is an arithmetic number, because the mean of its divisors is an integer number (24416103530).

Almost surely, 2^651755455452 is an apocalyptic number.

It is an amenable number.

651755455452 is an abundant number, since it is smaller than the sum of its proper divisors (1106203998708).

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

651755455452 is a wasteful number, since it uses less digits than its factorization.

651755455452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052963 (or 13052958 counting only the distinct ones).

The product of its digits is 21000000, while the sum is 54.

The spelling of 651755455452 in words is "six hundred fifty-one billion, seven hundred fifty-five million, four hundred fifty-five thousand, four hundred fifty-two".