1021430550240 has 192 divisors, whose sum is σ = 3576171513600. Its totient is φ = 272292751872.

The previous prime is 1021430550223. The next prime is 1021430550307. The reversal of 1021430550240 is 420550341201.

1021430550240 is a `hidden beast` number, since 10 + 2 + 143 + 0 + 5 + 502 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13800051 + ... + 13873869.

It is an arithmetic number, because the mean of its divisors is an integer number (18625893300).

Almost surely, 2^{1021430550240} is an apocalyptic number.

1021430550240 is a gapful number since it is divisible by the number (10) 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 1021430550240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788085756800).

1021430550240 is an abundant number, since it is smaller than the sum of its proper divisors (2554740963360).

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

1021430550240 is a wasteful number, since it uses less digits than its factorization.

1021430550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77046 (or 77032 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1021430550240 its reverse (420550341201), we get a palindrome (1441980891441).

The spelling of 1021430550240 in words is "one trillion, twenty-one billion, four hundred thirty million, five hundred fifty thousand, two hundred forty".