7642243400 has 48 divisors (see below), whose sum is σ = 19383513840. Its totient is φ = 2778996800.

The previous prime is 7642243397. The next prime is 7642243409. The reversal of 7642243400 is 43422467.

It is not an unprimeable number, because it can be changed into a prime (7642243409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1734674 + ... + 1739073.

It is an arithmetic number, because the mean of its divisors is an integer number (403823205).

Almost surely, 2^7642243400 is an apocalyptic number.

It is an amenable number.

7642243400 is an abundant number, since it is smaller than the sum of its proper divisors (11741270440).

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

7642243400 is a wasteful number, since it uses less digits than its factorization.

7642243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473774 (or 3473765 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 7642243400 is about 87419.9256462736. The cubic root of 7642243400 is about 1969.7311596858.

Adding to 7642243400 its reverse (43422467), we get a palindrome (7685665867).

The spelling of 7642243400 in words is "seven billion, six hundred forty-two million, two hundred forty-three thousand, four hundred".