7842253452 has 144 divisors (see below), whose sum is σ = 21004343136. Its totient is φ = 2273356800.

The previous prime is 7842253387. The next prime is 7842253487. The reversal of 7842253452 is 2543522487.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3275968 + ... + 3278360.

It is an arithmetic number, because the mean of its divisors is an integer number (145863494).

Almost surely, 2^7842253452 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 7842253452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10502171568).

7842253452 is an abundant number, since it is smaller than the sum of its proper divisors (13162089684).

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

7842253452 is a wasteful number, since it uses less digits than its factorization.

7842253452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2507 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The square root of 7842253452 is about 88556.4986435214. The cubic root of 7842253452 is about 1986.7670925141.

The spelling of 7842253452 in words is "seven billion, eight hundred forty-two million, two hundred fifty-three thousand, four hundred fifty-two".