7616505444 has 72 divisors (see below), whose sum is σ = 19444338144. Its totient is φ = 2312352000.

The previous prime is 7616505409. The next prime is 7616505493. The reversal of 7616505444 is 4445056167.

It is a super-2 number, since 2×7616505444² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7616505396 and 7616505405.

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, 176619 + ... + 215469.

It is an arithmetic number, because the mean of its divisors is an integer number (270060252).

Almost surely, 2^7616505444 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 7616505444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9722169072).

7616505444 is an abundant number, since it is smaller than the sum of its proper divisors (11827832700).

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

7616505444 is a wasteful number, since it uses less digits than its factorization.

7616505444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38937 (or 38904 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 7616505444 is about 87272.5927425099. The cubic root of 7616505444 is about 1967.5174173250.

The spelling of 7616505444 in words is "seven billion, six hundred sixteen million, five hundred five thousand, four hundred forty-four".