7044057540 has 192 divisors, whose sum is σ = 23789445120. Its totient is φ = 1720051200.

The previous prime is 7044057523. The next prime is 7044057541. The reversal of 7044057540 is 457504407.

7044057540 is a `hidden beast` number, since 7 + 0 + 4 + 40 + 575 + 40 = 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 = 7044057495 and 7044057504.

It is not an unprimeable number, because it can be changed into a prime (7044057541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 887590 + ... + 895490.

It is an arithmetic number, because the mean of its divisors is an integer number (123903360).

Almost surely, 2^7044057540 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 7044057540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11894722560).

7044057540 is an abundant number, since it is smaller than the sum of its proper divisors (16745387580).

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

7044057540 is a wasteful number, since it uses less digits than its factorization.

7044057540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059 (or 8051 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 7044057540 is about 83928.8838243426. The cubic root of 7044057540 is about 1916.9360800197.

The spelling of 7044057540 in words is "seven billion, forty-four million, fifty-seven thousand, five hundred forty".