1022151435240 has 512 divisors, whose sum is σ = 3522599539200. Its totient is φ = 235196006400.

The previous prime is 1022151435211. The next prime is 1022151435271. The reversal of 1022151435240 is 425341512201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1022151435198 and 1022151435207.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1667457174 + ... + 1667457786.

It is an arithmetic number, because the mean of its divisors is an integer number (6880077225).

Almost surely, 2^{1022151435240} is an apocalyptic number.

1022151435240 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 1022151435240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761299769600).

1022151435240 is an abundant number, since it is smaller than the sum of its proper divisors (2500448103960).

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

1022151435240 is a wasteful number, since it uses less digits than its factorization.

1022151435240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1022151435240 its reverse (425341512201), we get a palindrome (1447492947441).

The spelling of 1022151435240 in words is "one trillion, twenty-two billion, one hundred fifty-one million, four hundred thirty-five thousand, two hundred forty".