1522140554040 has 32 divisors (see below), whose sum is σ = 4566421662480. Its totient is φ = 405904147712.

The previous prime is 1522140554029. The next prime is 1522140554071. The reversal of 1522140554040 is 404550412251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1522140553992 and 1522140554010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342252189 + ... + 6342252428.

Almost surely, 2^{1522140554040} is an apocalyptic number.

1522140554040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1522140554040 is an abundant number, since it is smaller than the sum of its proper divisors (3044281108440).

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

1522140554040 is a wasteful number, since it uses less digits than its factorization.

1522140554040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684504631 (or 12684504627 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 1522140554040 its reverse (404550412251), we get a palindrome (1926690966291).

The spelling of 1522140554040 in words is "one trillion, five hundred twenty-two billion, one hundred forty million, five hundred fifty-four thousand, forty".