1045532359872 has 1568 divisors, whose sum is σ = 4256598226944. Its totient is φ = 245895782400.

The previous prime is 1045532359871. The next prime is 1045532359877. The reversal of 1045532359872 is 2789532355401.

1045532359872 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 532 + 35 + 9 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1045532359871) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2848861833 + ... + 2848862199.

Almost surely, 2^{1045532359872} is an apocalyptic number.

1045532359872 is a gapful number since it is divisible by the number (12) 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 1045532359872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128299113472).

1045532359872 is an abundant number, since it is smaller than the sum of its proper divisors (3211065867072).

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

1045532359872 is a wasteful number, since it uses less digits than its factorization.

1045532359872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 464 counting only the distinct ones).

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

The spelling of 1045532359872 in words is "one trillion, forty-five billion, five hundred thirty-two million, three hundred fifty-nine thousand, eight hundred seventy-two".