7902569442 has 32 divisors (see below), whose sum is σ = 16739799552. Its totient is φ = 2478504704.

The previous prime is 7902569429. The next prime is 7902569449. The reversal of 7902569442 is 2449652097.

It is a junction number, because it is equal to n+sod(n) for n = 7902569391 and 7902569400.

It is not an unprimeable number, because it can be changed into a prime (7902569449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411568 + ... + 430340.

It is an arithmetic number, because the mean of its divisors is an integer number (523118736).

Almost surely, 2^7902569442 is an apocalyptic number.

7902569442 is an abundant number, since it is smaller than the sum of its proper divisors (8837230110).

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

7902569442 is a wasteful number, since it uses less digits than its factorization.

7902569442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22922.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 7902569442 is about 88896.3972385833. The cubic root of 7902569442 is about 1991.8476011819.

The spelling of 7902569442 in words is "seven billion, nine hundred two million, five hundred sixty-nine thousand, four hundred forty-two".