1421850240 has 256 divisors, whose sum is σ = 5089392000. Its totient is φ = 375128064.

The previous prime is 1421850229. The next prime is 1421850257. The reversal of 1421850240 is 420581241.

1421850240 is a `hidden beast` number, since 142 + 18 + 502 + 4 + 0 = 666.

1421850240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1848576 + ... + 1849344.

Almost surely, 2^1421850240 is an apocalyptic number.

1421850240 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 1421850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544696000).

1421850240 is an abundant number, since it is smaller than the sum of its proper divisors (3667541760).

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

1421850240 is a wasteful number, since it uses less digits than its factorization.

1421850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1421850240 is about 37707.4295066635. The cubic root of 1421850240 is about 1124.4788341583.

The spelling of 1421850240 in words is "one billion, four hundred twenty-one million, eight hundred fifty thousand, two hundred forty".