1000745386560 has 672 divisors, whose sum is σ = 3691300833792. Its totient is φ = 247973806080.

The previous prime is 1000745386513. The next prime is 1000745386579. The reversal of 1000745386560 is 656835470001.

1000745386560 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 7 + 4 + 5 + 3 + 86 + 560 = 666.

It is a super-2 number, since 2×1000745386560² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2161436889 + ... + 2161437351.

Almost surely, 2^{1000745386560} is an apocalyptic number.

1000745386560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000745386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845650416896).

1000745386560 is an abundant number, since it is smaller than the sum of its proper divisors (2690555447232).

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

1000745386560 is a wasteful number, since it uses less digits than its factorization.

1000745386560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 1000745386560 in words is "one trillion, seven hundred forty-five million, three hundred eighty-six thousand, five hundred sixty".