1420688352 has 96 divisors (see below), whose sum is σ = 3837601152. Its totient is φ = 459938304.

The previous prime is 1420688303. The next prime is 1420688393. The reversal of 1420688352 is 2538860241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1420688352.

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, 812343 + ... + 814089.

It is an arithmetic number, because the mean of its divisors is an integer number (39975012).

Almost surely, 2^1420688352 is an apocalyptic number.

1420688352 is a gapful number since it is divisible by the number (12) 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 1420688352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918800576).

1420688352 is an abundant number, since it is smaller than the sum of its proper divisors (2416912800).

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

1420688352 is a wasteful number, since it uses less digits than its factorization.

1420688352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1420688352 is about 37692.0197389315. The cubic root of 1420688352 is about 1124.1724553125.

The spelling of 1420688352 in words is "one billion, four hundred twenty million, six hundred eighty-eight thousand, three hundred fifty-two".