1516264031442 has 16 divisors (see below), whose sum is σ = 3061970084160. Its totient is φ = 500514340272.

The previous prime is 1516264031363. The next prime is 1516264031449. The reversal of 1516264031442 is 2441304626151.

It is a super-2 number, since 2×1516264031442² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1516264031442.

It is not an unprimeable number, because it can be changed into a prime (1516264031449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226750217 + ... + 1226751452.

It is an arithmetic number, because the mean of its divisors is an integer number (191373130260).

Almost surely, 2^{1516264031442} is an apocalyptic number.

1516264031442 is an abundant number, since it is smaller than the sum of its proper divisors (1545706052718).

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

1516264031442 is a wasteful number, since it uses less digits than its factorization.

1516264031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453501777.

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 1516264031442 its reverse (2441304626151), we get a palindrome (3957568657593).

The spelling of 1516264031442 in words is "one trillion, five hundred sixteen billion, two hundred sixty-four million, thirty-one thousand, four hundred forty-two".