745202040 has 256 divisors, whose sum is σ = 2630707200. Its totient is φ = 166924800.

The previous prime is 745202027. The next prime is 745202041. The reversal of 745202040 is 40202547.

745202040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 745202040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745202041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1078095 + ... + 1078785.

It is an arithmetic number, because the mean of its divisors is an integer number (10276200).

Almost surely, 2^745202040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315353600).

745202040 is an abundant number, since it is smaller than the sum of its proper divisors (1885505160).

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

745202040 is a wasteful number, since it uses less digits than its factorization.

745202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 745202040 is about 27298.3889634535. The cubic root of 745202040 is about 906.6187120206.

Adding to 745202040 its reverse (40202547), we get a palindrome (785404587).

The spelling of 745202040 in words is "seven hundred forty-five million, two hundred two thousand, forty".