7156353630420 has 288 divisors, whose sum is σ = 23881522025088. Its totient is φ = 1792659382272.

The previous prime is 7156353630383. The next prime is 7156353630421. The reversal of 7156353630420 is 240363536517.

It is a happy number.

7156353630420 is a `hidden beast` number, since 7 + 1 + 5 + 6 + 3 + 5 + 3 + 630 + 4 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7156353630421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43127452 + ... + 43293068.

It is an arithmetic number, because the mean of its divisors is an integer number (82921951476).

Almost surely, 2^{7156353630420} 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 7156353630420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11940761012544).

7156353630420 is an abundant number, since it is smaller than the sum of its proper divisors (16725168394668).

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

7156353630420 is a wasteful number, since it uses less digits than its factorization.

7156353630420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166181 (or 166167 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 7156353630420 in words is "seven trillion, one hundred fifty-six billion, three hundred fifty-three million, six hundred thirty thousand, four hundred twenty".