745021056431250 has 288 divisors, whose sum is σ = 2091463072171200. Its totient is φ = 191430632400000.

The previous prime is 745021056431233. The next prime is 745021056431257. The reversal of 745021056431250 is 52134650120547.

745021056431250 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 2 + 1 + 0 + 564 + 31 + 2 + 50 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 745021056431196 and 745021056431205.

It is not an unprimeable number, because it can be changed into a prime (745021056431257) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 800478661 + ... + 801408839.

It is an arithmetic number, because the mean of its divisors is an integer number (7262024556150).

Almost surely, 2^{745021056431250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745021056431250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045731536085600).

745021056431250 is an abundant number, since it is smaller than the sum of its proper divisors (1346442015739950).

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

745021056431250 is a wasteful number, since it uses less digits than its factorization.

745021056431250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930732 (or 930709 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 745021056431250 in words is "seven hundred forty-five trillion, twenty-one billion, fifty-six million, four hundred thirty-one thousand, two hundred fifty".