4000265625620 has 48 divisors (see below), whose sum is σ = 9182610360000. Its totient is φ = 1451726891520.

The previous prime is 4000265625613. The next prime is 4000265625673. The reversal of 4000265625620 is 265265620004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18109685 + ... + 18329244.

It is an arithmetic number, because the mean of its divisors is an integer number (191304382500).

Almost surely, 2^{4000265625620} is an apocalyptic number.

It is an amenable number.

4000265625620 is an abundant number, since it is smaller than the sum of its proper divisors (5182344734380).

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

4000265625620 is a wasteful number, since it uses less digits than its factorization.

4000265625620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36439448 (or 36439446 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 4000265625620 in words is "four trillion, two hundred sixty-five million, six hundred twenty-five thousand, six hundred twenty".