7036856640 has 672 divisors, whose sum is σ = 28020142080. Its totient is φ = 1660538880.

The previous prime is 7036856611. The next prime is 7036856657. The reversal of 7036856640 is 466586307.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55408257 + ... + 55408383.

It is an arithmetic number, because the mean of its divisors is an integer number (41696640).

Almost surely, 2^7036856640 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 7036856640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14010071040).

7036856640 is an abundant number, since it is smaller than the sum of its proper divisors (20983285440).

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

7036856640 is a wasteful number, since it uses less digits than its factorization.

7036856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 7036856640 is about 83885.9740361880. The cubic root of 7036856640 is about 1916.2826511645.

The spelling of 7036856640 in words is "seven billion, thirty-six million, eight hundred fifty-six thousand, six hundred forty".