7056651840 has 448 divisors, whose sum is σ = 26652492288. Its totient is φ = 1548288000.

The previous prime is 7056651817. The next prime is 7056651841. The reversal of 7056651840 is 481566507.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a junction number, because it is equal to n+sod(n) for n = 7056651792 and 7056651801.

It is not an unprimeable number, because it can be changed into a prime (7056651841) 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, 25112500 + ... + 25112780.

Almost surely, 2^7056651840 is an apocalyptic number.

7056651840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7056651840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13326246144).

7056651840 is an abundant number, since it is smaller than the sum of its proper divisors (19595840448).

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

7056651840 is a wasteful number, since it uses less digits than its factorization.

7056651840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 7056651840 is about 84003.8799103946. The cubic root of 7056651840 is about 1918.0778506466.

The spelling of 7056651840 in words is "seven billion, fifty-six million, six hundred fifty-one thousand, eight hundred forty".