20250446400 has 126 divisors (see below), whose sum is σ = 71974919042. Its totient is φ = 5400115200.

The previous prime is 20250446389. The next prime is 20250446429. The reversal of 20250446400 is 464405202.

20250446400 is a `hidden beast` number, since 2 + 0 + 250 + 4 + 4 + 6 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1562462784 + 18687983616 = 39528^2 + 136704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 688741 + ... + 717540.

Almost surely, 2^20250446400 is an apocalyptic number.

20250446400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20250446400 is an abundant number, since it is smaller than the sum of its proper divisors (51724472642).

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

20250446400 is a wasteful number, since it uses less digits than its factorization.

20250446400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406309 (or 1406291 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 20250446400 in words is "twenty billion, two hundred fifty million, four hundred forty-six thousand, four hundred".