1064525769450 has 720 divisors, whose sum is σ = 3607496462592. Its totient is φ = 230480640000.

The previous prime is 1064525769347. The next prime is 1064525769499. The reversal of 1064525769450 is 549675254601.

1064525769450 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 525 + 7 + 69 + 4 + 50 = 666.

It is a super-2 number, since 2×1064525769450² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 359 ways as a sum of consecutive naturals, for example, 233395170 + ... + 233399730.

Almost surely, 2^{1064525769450} is an apocalyptic number.

1064525769450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064525769450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803748231296).

1064525769450 is an abundant number, since it is smaller than the sum of its proper divisors (2542970693142).

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

1064525769450 is a wasteful number, since it uses less digits than its factorization.

1064525769450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653 (or 4626 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 1064525769450 in words is "one trillion, sixty-four billion, five hundred twenty-five million, seven hundred sixty-nine thousand, four hundred fifty".