1473007421550 has 288 divisors, whose sum is σ = 4285252913760. Its totient is φ = 333864115200.

The previous prime is 1473007421519. The next prime is 1473007421563. The reversal of 1473007421550 is 551247003741.

It is a junction number, because it is equal to n+sod(n) for n = 1473007421499 and 1473007421508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 528147556 + ... + 528150344.

It is an arithmetic number, because the mean of its divisors is an integer number (14879350395).

Almost surely, 2^{1473007421550} is an apocalyptic number.

1473007421550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1473007421550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142626456880).

1473007421550 is an abundant number, since it is smaller than the sum of its proper divisors (2812245492210).

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

1473007421550 is a wasteful number, since it uses less digits than its factorization.

1473007421550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 1473007421550 in words is "one trillion, four hundred seventy-three billion, seven million, four hundred twenty-one thousand, five hundred fifty".