8261552292 has 72 divisors (see below), whose sum is σ = 22585762080. Its totient is φ = 2343438720.

The previous prime is 8261552287. The next prime is 8261552477. The reversal of 8261552292 is 2922551628.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31192 + ... + 132272.

It is an arithmetic number, because the mean of its divisors is an integer number (313691140).

Almost surely, 2^8261552292 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 8261552292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11292881040).

8261552292 is an abundant number, since it is smaller than the sum of its proper divisors (14324209788).

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

8261552292 is a wasteful number, since it uses less digits than its factorization.

8261552292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101241 (or 101232 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 8261552292 is about 90893.0816509155. The cubic root of 8261552292 is about 2021.5627135589.

The spelling of 8261552292 in words is "eight billion, two hundred sixty-one million, five hundred fifty-two thousand, two hundred ninety-two".