7455559680 has 416 divisors, whose sum is σ = 26971324800. Its totient is φ = 1953497088.

The previous prime is 7455559673. The next prime is 7455559703. The reversal of 7455559680 is 869555547.

7455559680 is a `hidden beast` number, since 7 + 4 + 5 + 5 + 559 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 53637051 + ... + 53637189.

Almost surely, 2^7455559680 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 7455559680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13485662400).

7455559680 is an abundant number, since it is smaller than the sum of its proper divisors (19515765120).

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

7455559680 is a wasteful number, since it uses less digits than its factorization.

7455559680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The square root of 7455559680 is about 86345.5828632826. The cubic root of 7455559680 is about 1953.5599820356.

The spelling of 7455559680 in words is "seven billion, four hundred fifty-five million, five hundred fifty-nine thousand, six hundred eighty".