220525623520440 has 64 divisors (see below), whose sum is σ = 756087852072960. Its totient is φ = 50405856804480.

The previous prime is 220525623520439. The next prime is 220525623520471. The reversal of 220525623520440 is 44025326525022.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 220525623520392 and 220525623520401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131265251256 + ... + 131265252935.

It is an arithmetic number, because the mean of its divisors is an integer number (11813872688640).

Almost surely, 2^{220525623520440} is an apocalyptic number.

220525623520440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220525623520440 is an abundant number, since it is smaller than the sum of its proper divisors (535562228552520).

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

220525623520440 is a wasteful number, since it uses less digits than its factorization.

220525623520440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262530504212 (or 262530504208 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 220525623520440 in words is "two hundred twenty trillion, five hundred twenty-five billion, six hundred twenty-three million, five hundred twenty thousand, four hundred forty".