7055475840 has 384 divisors, whose sum is σ = 28879643520. Its totient is φ = 1612431360.

The previous prime is 7055475821. The next prime is 7055475871. The reversal of 7055475840 is 485745507.

7055475840 is a `hidden beast` number, since 7 + 0 + 554 + 7 + 58 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1085400 + ... + 1091880.

It is an arithmetic number, because the mean of its divisors is an integer number (75207405).

Almost surely, 2^7055475840 is an apocalyptic number.

7055475840 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 7055475840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14439821760).

7055475840 is an abundant number, since it is smaller than the sum of its proper divisors (21824167680).

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

7055475840 is an equidigital number, since it uses as much as digits as its factorization.

7055475840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 7055475840 is about 83996.8799420550. The cubic root of 7055475840 is about 1917.9712946897.

The spelling of 7055475840 in words is "seven billion, fifty-five million, four hundred seventy-five thousand, eight hundred forty".