7428248550 has 72 divisors (see below), whose sum is σ = 21007632360. Its totient is φ = 1876608000.

The previous prime is 7428248539. The next prime is 7428248561. The reversal of 7428248550 is 558428247.

7428248550 is a `hidden beast` number, since 7 + 42 + 82 + 485 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (7428248539) and next prime (7428248561).

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

It is a junction number, because it is equal to n+sod(n) for n = 7428248496 and 7428248505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 425851 + ... + 442950.

Almost surely, 2^7428248550 is an apocalyptic number.

7428248550 is an abundant number, since it is smaller than the sum of its proper divisors (13579383810).

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

7428248550 is a wasteful number, since it uses less digits than its factorization.

7428248550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868838 (or 868830 counting only the distinct ones).

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

The square root of 7428248550 is about 86187.2876357065. The cubic root of 7428248550 is about 1951.1716430260.

The spelling of 7428248550 in words is "seven billion, four hundred twenty-eight million, two hundred forty-eight thousand, five hundred fifty".