7242880455 has 24 divisors (see below), whose sum is σ = 12959306880. Its totient is φ = 3738260160.

The previous prime is 7242880451. The next prime is 7242880459. The reversal of 7242880455 is 5540882427.

It is an interprime number because it is at equal distance from previous prime (7242880451) and next prime (7242880459).

It is not a de Polignac number, because 7242880455 - 2² = 7242880451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7242880455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242880451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2594620 + ... + 2597409.

It is an arithmetic number, because the mean of its divisors is an integer number (539971120).

Almost surely, 2^7242880455 is an apocalyptic number.

7242880455 is a deficient number, since it is larger than the sum of its proper divisors (5716426425).

7242880455 is a wasteful number, since it uses less digits than its factorization.

7242880455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192071 (or 5192068 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The square root of 7242880455 is about 85105.1141530284. The cubic root of 7242880455 is about 1934.8045753402.

The spelling of 7242880455 in words is "seven billion, two hundred forty-two million, eight hundred eighty thousand, four hundred fifty-five".