1022401330542 has 64 divisors (see below), whose sum is σ = 2345483243520. Its totient is φ = 329780181600.

The previous prime is 1022401330501. The next prime is 1022401330543. The reversal of 1022401330542 is 2450331042201.

1022401330542 is a `hidden beast` number, since 102 + 2 + 4 + 0 + 13 + 3 + 0 + 542 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022401330543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40282168 + ... + 40307540.

It is an arithmetic number, because the mean of its divisors is an integer number (36648175680).

Almost surely, 2^{1022401330542} is an apocalyptic number.

1022401330542 is an abundant number, since it is smaller than the sum of its proper divisors (1323081912978).

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

1022401330542 is a wasteful number, since it uses less digits than its factorization.

1022401330542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49486 (or 49480 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1022401330542 its reverse (2450331042201), we get a palindrome (3472732372743).

The spelling of 1022401330542 in words is "one trillion, twenty-two billion, four hundred one million, three hundred thirty thousand, five hundred forty-two".