7455241420 has 72 divisors (see below), whose sum is σ = 17340296400. Its totient is φ = 2670180480.

The previous prime is 7455241397. The next prime is 7455241447. The reversal of 7455241420 is 241425547.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983806 + ... + 991354.

It is an arithmetic number, because the mean of its divisors is an integer number (240837450).

Almost surely, 2^7455241420 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 7455241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8670148200).

7455241420 is an abundant number, since it is smaller than the sum of its proper divisors (9885054980).

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

7455241420 is a wasteful number, since it uses less digits than its factorization.

7455241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703 (or 7634 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 7455241420 is about 86343.7399004699. The cubic root of 7455241420 is about 1953.5321840399.

Adding to 7455241420 its reverse (241425547), we get a palindrome (7696666967).

The spelling of 7455241420 in words is "seven billion, four hundred fifty-five million, two hundred forty-one thousand, four hundred twenty".