1416021880 has 128 divisors (see below), whose sum is σ = 3975753600. Its totient is φ = 442008576.

The previous prime is 1416021877. The next prime is 1416021881. The reversal of 1416021880 is 881206141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416021881) 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, 19397524 + ... + 19397596.

It is an arithmetic number, because the mean of its divisors is an integer number (31060575).

Almost surely, 2^1416021880 is an apocalyptic number.

1416021880 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 1416021880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987876800).

1416021880 is an abundant number, since it is smaller than the sum of its proper divisors (2559731720).

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

1416021880 is an frugal number, since it uses more digits than its factorization.

1416021880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1416021880 is about 37630.0661705504. The cubic root of 1416021880 is about 1122.9402654233.

The spelling of 1416021880 in words is "one billion, four hundred sixteen million, twenty-one thousand, eight hundred eighty".