19492207340004 has 135 divisors (see below), whose sum is σ = 57484371026537. Its totient is φ = 5568831237312.

The previous prime is 19492207339999. The next prime is 19492207340017. The reversal of 19492207340004 is 40004370229491.

The square root of 19492207340004 is 4414998.

It is a perfect power (a square), and thus also a powerful number.

19492207340004 is a `hidden beast` number, since 1 + 94 + 92 + 2 + 0 + 73 + 400 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6610195260900 + 12882012079104 = 2571030^2 + 3589152^2 .

It is a super-2 number, since 2×19492207340004² (a number of 27 digits) contains 22 as substring.

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 44 ways as a sum of consecutive naturals, for example, 1298001904 + ... + 1298016920.

Almost surely, 2^{19492207340004} is an apocalyptic number.

19492207340004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19492207340004 is the 4414998-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19492207340004

19492207340004 is an abundant number, since it is smaller than the sum of its proper divisors (37992163686533).

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

19492207340004 is an frugal number, since it uses more digits than its factorization.

19492207340004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072 (or 15029 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

Adding to 19492207340004 its reverse (40004370229491), we get a palindrome (59496577569495).

The spelling of 19492207340004 in words is "nineteen trillion, four hundred ninety-two billion, two hundred seven million, three hundred forty thousand, four".