19926767532 has 48 divisors (see below), whose sum is σ = 56263818240. Its totient is φ = 5358458112.

The previous prime is 19926767513. The next prime is 19926767537. The reversal of 19926767532 is 23576762991.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19926767537) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6975732 + ... + 6978587.

It is an arithmetic number, because the mean of its divisors is an integer number (1172162880).

Almost surely, 2^19926767532 is an apocalyptic number.

19926767532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19926767532 is an abundant number, since it is smaller than the sum of its proper divisors (36337050708).

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

19926767532 is a wasteful number, since it uses less digits than its factorization.

19926767532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13954350 (or 13954348 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 57.

The spelling of 19926767532 in words is "nineteen billion, nine hundred twenty-six million, seven hundred sixty-seven thousand, five hundred thirty-two".