7412432640 has 432 divisors, whose sum is σ = 25635929760. Its totient is φ = 1823866880.

The previous prime is 7412432603. The next prime is 7412432647. The reversal of 7412432640 is 462342147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7412432647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83285716 + ... + 83285804.

It is an arithmetic number, because the mean of its divisors is an integer number (59342430).

Almost surely, 2^7412432640 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 7412432640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12817964880).

7412432640 is an abundant number, since it is smaller than the sum of its proper divisors (18223497120).

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

7412432640 is a wasteful number, since it uses less digits than its factorization.

7412432640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 7412432640 is about 86095.4855959359. The cubic root of 7412432640 is about 1949.7858752392.

Adding to 7412432640 its reverse (462342147), we get a palindrome (7874774787).

The spelling of 7412432640 in words is "seven billion, four hundred twelve million, four hundred thirty-two thousand, six hundred forty".