1420301240 has 64 divisors (see below), whose sum is σ = 3291818400. Its totient is φ = 551121408.

The previous prime is 1420301191. The next prime is 1420301269. The reversal of 1420301240 is 421030241.

It is a super-2 number, since 2×1420301240² = 4034511224691075200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574487 + ... + 576953.

Almost surely, 2^1420301240 is an apocalyptic number.

1420301240 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 1420301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645909200).

1420301240 is an abundant number, since it is smaller than the sum of its proper divisors (1871517160).

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

1420301240 is a wasteful number, since it uses less digits than its factorization.

1420301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1420301240 is about 37686.8841906571. The cubic root of 1420301240 is about 1124.0703404518.

Adding to 1420301240 its reverse (421030241), we get a palindrome (1841331481).

The spelling of 1420301240 in words is "one billion, four hundred twenty million, three hundred one thousand, two hundred forty".