1400560220 has 48 divisors (see below), whose sum is σ = 3048645600. Its totient is φ = 539831040.

The previous prime is 1400560219. The next prime is 1400560237. The reversal of 1400560220 is 220650041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1400560192 and 1400560201.

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, 329066 + ... + 333294.

It is an arithmetic number, because the mean of its divisors is an integer number (63513450).

Almost surely, 2^1400560220 is an apocalyptic number.

1400560220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400560220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524322800).

1400560220 is an abundant number, since it is smaller than the sum of its proper divisors (1648085380).

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

1400560220 is a wasteful number, since it uses less digits than its factorization.

1400560220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1400560220 is about 37424.0593736169. The cubic root of 1400560220 is about 1118.8381393060.

The spelling of 1400560220 in words is "one billion, four hundred million, five hundred sixty thousand, two hundred twenty".