20440056450402 has 24 divisors (see below), whose sum is σ = 46617672606960. Its totient is φ = 6454754668440.

The previous prime is 20440056450391. The next prime is 20440056450449. The reversal of 20440056450402 is 20405465004402.

20440056450402 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 0 + 0 + 5 + 645 + 0 + 4 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29883123124 + ... + 29883123807.

It is an arithmetic number, because the mean of its divisors is an integer number (1942403025290).

Almost surely, 2^{20440056450402} is an apocalyptic number.

20440056450402 is an abundant number, since it is smaller than the sum of its proper divisors (26177616156558).

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

20440056450402 is a wasteful number, since it uses less digits than its factorization.

20440056450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59766246958 (or 59766246955 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 20440056450402 in words is "twenty trillion, four hundred forty billion, fifty-six million, four hundred fifty thousand, four hundred two".