1024221240340 has 12 divisors (see below), whose sum is σ = 2150864604756. Its totient is φ = 409688496128.

The previous prime is 1024221240337. The next prime is 1024221240347. The reversal of 1024221240340 is 430421224201.

It can be written as a sum of positive squares in 2 ways, for example, as 205116598404 + 819104641936 = 452898^2 + 905044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024221240347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25605530989 + ... + 25605531028.

It is an arithmetic number, because the mean of its divisors is an integer number (179238717063).

Almost surely, 2^{1024221240340} is an apocalyptic number.

1024221240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024221240340 is an abundant number, since it is smaller than the sum of its proper divisors (1126643364416).

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

1024221240340 is a wasteful number, since it uses less digits than its factorization.

1024221240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51211062026 (or 51211062024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1024221240340 its reverse (430421224201), we get a palindrome (1454642464541).

The spelling of 1024221240340 in words is "one trillion, twenty-four billion, two hundred twenty-one million, two hundred forty thousand, three hundred forty".