7250091444 has 72 divisors (see below), whose sum is σ = 18616433472. Its totient is φ = 2378597760.

The previous prime is 7250091347. The next prime is 7250091451. The reversal of 7250091444 is 4441900527.

It is a happy number.

7250091444 is a `hidden beast` number, since 7 + 2 + 500 + 9 + 144 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7250091399 and 7250091408.

It is a congruent number.

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, 1743672 + ... + 1747824.

It is an arithmetic number, because the mean of its divisors is an integer number (258561576).

Almost surely, 2^7250091444 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 7250091444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9308216736).

7250091444 is an abundant number, since it is smaller than the sum of its proper divisors (11366342028).

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

7250091444 is a wasteful number, since it uses less digits than its factorization.

7250091444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917 (or 4912 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7250091444 is about 85147.4688055963. The cubic root of 7250091444 is about 1935.4464574853.

The spelling of 7250091444 in words is "seven billion, two hundred fifty million, ninety-one thousand, four hundred forty-four".