1420655600 has 240 divisors, whose sum is σ = 4339722240. Its totient is φ = 434764800.

The previous prime is 1420655591. The next prime is 1420655603. The reversal of 1420655600 is 65560241.

It is a super-2 number, since 2×1420655600² = 4036524667622720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420655603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1127771 + ... + 1129029.

It is an arithmetic number, because the mean of its divisors is an integer number (18082176).

Almost surely, 2^1420655600 is an apocalyptic number.

1420655600 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 1420655600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169861120).

1420655600 is an abundant number, since it is smaller than the sum of its proper divisors (2919066640).

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

1420655600 is a wasteful number, since it uses less digits than its factorization.

1420655600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1420655600 is about 37691.5852678021. The cubic root of 1420655600 is about 1124.1638165004.

The spelling of 1420655600 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, six hundred".