19426356000 has 144 divisors (see below), whose sum is σ = 68944265208. Its totient is φ = 5180352000.

The previous prime is 19426355983. The next prime is 19426356041. The reversal of 19426356000 is 65362491.

It is a happy number.

19426356000 is a `hidden beast` number, since 1 + 9 + 42 + 6 + 3 + 5 + 600 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3114979344 + 16311376656 = 55812^2 + 127716^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233811 + ... + 305810.

Almost surely, 2^19426356000 is an apocalyptic number.

19426356000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19426356000 is an abundant number, since it is smaller than the sum of its proper divisors (49517909208).

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

19426356000 is a wasteful number, since it uses less digits than its factorization.

19426356000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539652 (or 539631 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 19426356000 in words is "nineteen billion, four hundred twenty-six million, three hundred fifty-six thousand".