7401447043480 has 128 divisors (see below), whose sum is σ = 19219482547200. Its totient is φ = 2512686500352.

The previous prime is 7401447043477. The next prime is 7401447043481. The reversal of 7401447043480 is 843407441047.

It is a self number, because there is not a number n which added to its sum of digits gives 7401447043480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7401447043481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419122891 + ... + 419140549.

It is an arithmetic number, because the mean of its divisors is an integer number (150152207400).

Almost surely, 2^{7401447043480} is an apocalyptic number.

7401447043480 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 7401447043480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9609741273600).

7401447043480 is an abundant number, since it is smaller than the sum of its proper divisors (11818035503720).

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

7401447043480 is a wasteful number, since it uses less digits than its factorization.

7401447043480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32313 (or 32309 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 7401447043480 in words is "seven trillion, four hundred one billion, four hundred forty-seven million, forty-three thousand, four hundred eighty".