1420402360 has 128 divisors (see below), whose sum is σ = 3734035200. Its totient is φ = 481443840.

The previous prime is 1420402351. The next prime is 1420402363. The reversal of 1420402360 is 632040241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420402363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360481 + ... + 364399.

It is an arithmetic number, because the mean of its divisors is an integer number (29172150).

Almost surely, 2^1420402360 is an apocalyptic number.

1420402360 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 1420402360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867017600).

1420402360 is an abundant number, since it is smaller than the sum of its proper divisors (2313632840).

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

1420402360 is a wasteful number, since it uses less digits than its factorization.

1420402360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1420402360 is about 37688.2257475727. The cubic root of 1420402360 is about 1124.0970163175.

It can be divided in two parts, 142040 and 2360, that added together give a square (144400 = 380²).

The spelling of 1420402360 in words is "one billion, four hundred twenty million, four hundred two thousand, three hundred sixty".