19762400055 has 16 divisors (see below), whose sum is σ = 32994616320. Its totient is φ = 10081687968.

The previous prime is 19762400041. The next prime is 19762400089. The reversal of 19762400055 is 55000426791.

It is not a de Polignac number, because 19762400055 - 2¹⁴ = 19762383671 is a prime.

It is a super-3 number, since 3×19762400055³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19762399986 and 19762400022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28640815 + ... + 28641504.

It is an arithmetic number, because the mean of its divisors is an integer number (2062163520).

Almost surely, 2^19762400055 is an apocalyptic number.

19762400055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19762400055 is a deficient number, since it is larger than the sum of its proper divisors (13232216265).

19762400055 is a wasteful number, since it uses less digits than its factorization.

19762400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57282350.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 19762400055 in words is "nineteen billion, seven hundred sixty-two million, four hundred thousand, fifty-five".