7493544450 has 144 divisors (see below), whose sum is σ = 23056113600. Its totient is φ = 1709285760.

The previous prime is 7493544419. The next prime is 7493544491. The reversal of 7493544450 is 544453947.

7493544450 is a `hidden beast` number, since 74 + 93 + 5 + 44 + 450 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7493544396 and 7493544405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1720876 + ... + 1725224.

It is an arithmetic number, because the mean of its divisors is an integer number (160111900).

Almost surely, 2^7493544450 is an apocalyptic number.

7493544450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7493544450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11528056800).

7493544450 is an abundant number, since it is smaller than the sum of its proper divisors (15562569150).

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

7493544450 is a wasteful number, since it uses less digits than its factorization.

7493544450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 7493544450 is about 86565.2612194984. The cubic root of 7493544450 is about 1956.8720455106.

The spelling of 7493544450 in words is "seven billion, four hundred ninety-three million, five hundred forty-four thousand, four hundred fifty".