7403452056 has 512 divisors, whose sum is σ = 27975628800. Its totient is φ = 1751777280.

The previous prime is 7403452051. The next prime is 7403452109. The reversal of 7403452056 is 6502543047.

7403452056 is a `hidden beast` number, since 7 + 403 + 45 + 205 + 6 = 666.

It is a super-2 number, since 2×7403452056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7403452056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7403452051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20972776 + ... + 20973128.

It is an arithmetic number, because the mean of its divisors is an integer number (54639900).

Almost surely, 2^7403452056 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 7403452056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13987814400).

7403452056 is an abundant number, since it is smaller than the sum of its proper divisors (20572176744).

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

7403452056 is a wasteful number, since it uses less digits than its factorization.

7403452056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 7403452056 is about 86043.3149989004. The cubic root of 7403452056 is about 1948.9981315033.

Subtracting from 7403452056 its reverse (6502543047), we obtain a palindrome (900909009).

The spelling of 7403452056 in words is "seven billion, four hundred three million, four hundred fifty-two thousand, fifty-six".