7545780480 has 576 divisors, whose sum is σ = 29845670400. Its totient is φ = 1618477056.

The previous prime is 7545780467. The next prime is 7545780493. The reversal of 7545780480 is 840875457.

It is an interprime number because it is at equal distance from previous prime (7545780467) and next prime (7545780493).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22390872 + ... + 22391208.

It is an arithmetic number, because the mean of its divisors is an integer number (51815400).

Almost surely, 2^7545780480 is an apocalyptic number.

7545780480 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 7545780480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14922835200).

7545780480 is an abundant number, since it is smaller than the sum of its proper divisors (22299889920).

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

7545780480 is a wasteful number, since it uses less digits than its factorization.

7545780480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 7545780480 is about 86866.4519823390. The cubic root of 7545780480 is about 1961.4085113710.

The spelling of 7545780480 in words is "seven billion, five hundred forty-five million, seven hundred eighty thousand, four hundred eighty".