7481487400 has 48 divisors (see below), whose sum is σ = 17563384800. Its totient is φ = 2963532480.

The previous prime is 7481487371. The next prime is 7481487407. The reversal of 7481487400 is 47841847.

It is not an unprimeable number, because it can be changed into a prime (7481487407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160990 + ... + 202189.

It is an arithmetic number, because the mean of its divisors is an integer number (365903850).

Almost surely, 2^7481487400 is an apocalyptic number.

It is an amenable number.

7481487400 is an abundant number, since it is smaller than the sum of its proper divisors (10081897400).

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

7481487400 is a wasteful number, since it uses less digits than its factorization.

7481487400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363298 (or 363289 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 7481487400 is about 86495.5917951892. The cubic root of 7481487400 is about 1955.8219518904.

The spelling of 7481487400 in words is "seven billion, four hundred eighty-one million, four hundred eighty-seven thousand, four hundred".