7000255440 has 160 divisors (see below), whose sum is σ = 24221783040. Its totient is φ = 1858235904.

The previous prime is 7000255439. The next prime is 7000255513. The reversal of 7000255440 is 445520007.

7000255440 is a `hidden beast` number, since 70 + 0 + 0 + 2 + 554 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474414 + ... + 488946.

It is an arithmetic number, because the mean of its divisors is an integer number (151386144).

Almost surely, 2^7000255440 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 7000255440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12110891520).

7000255440 is an abundant number, since it is smaller than the sum of its proper divisors (17221527600).

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

7000255440 is a wasteful number, since it uses less digits than its factorization.

7000255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778 (or 14766 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 7000255440 is about 83667.5291854612. The cubic root of 7000255440 is about 1912.9544510199.

Adding to 7000255440 its reverse (445520007), we get a palindrome (7445775447).

The spelling of 7000255440 in words is "seven billion, two hundred fifty-five thousand, four hundred forty".