1442463240 has 32 divisors (see below), whose sum is σ = 4327390080. Its totient is φ = 384656832.

The previous prime is 1442463233. The next prime is 1442463247. The reversal of 1442463240 is 423642441.

1442463240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1442463233) and next prime (1442463247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1442463198 and 1442463207.

It is not an unprimeable number, because it can be changed into a prime (1442463247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010144 + ... + 6010383.

It is an arithmetic number, because the mean of its divisors is an integer number (135230940).

Almost surely, 2^1442463240 is an apocalyptic number.

1442463240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442463240 is an abundant number, since it is smaller than the sum of its proper divisors (2884926840).

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

1442463240 is a wasteful number, since it uses less digits than its factorization.

1442463240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020541 (or 12020537 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 1442463240 is about 37979.7740909553. The cubic root of 1442463240 is about 1129.8867560831.

The spelling of 1442463240 in words is "one billion, four hundred forty-two million, four hundred sixty-three thousand, two hundred forty".