16424400392640 has 168 divisors, whose sum is σ = 57173734367568. Its totient is φ = 4327070883840.

The previous prime is 16424400392629. The next prime is 16424400392663. The reversal of 16424400392640 is 4629300442461.

16424400392640 is a `hidden beast` number, since 1 + 64 + 2 + 440 + 0 + 3 + 92 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 34115881 + ... + 34593960.

It is an arithmetic number, because the mean of its divisors is an integer number (340319847426).

Almost surely, 2^{16424400392640} is an apocalyptic number.

16424400392640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16424400392640 is an abundant number, since it is smaller than the sum of its proper divisors (40749333974928).

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

16424400392640 is a wasteful number, since it uses less digits than its factorization.

16424400392640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68709947 (or 68709934 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 16424400392640 in words is "sixteen trillion, four hundred twenty-four billion, four hundred million, three hundred ninety-two thousand, six hundred forty".