1424140040 has 32 divisors (see below), whose sum is σ = 3234271680. Its totient is φ = 564330432.

The previous prime is 1424140019. The next prime is 1424140087. The reversal of 1424140040 is 400414241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1424139994 and 1424140021.

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 7 ways as a sum of consecutive naturals, for example, 162092 + ... + 170651.

It is an arithmetic number, because the mean of its divisors is an integer number (101070990).

Almost surely, 2^1424140040 is an apocalyptic number.

1424140040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424140040 is an abundant number, since it is smaller than the sum of its proper divisors (1810131640).

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

1424140040 is a wasteful number, since it uses less digits than its factorization.

1424140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332861 (or 332857 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1424140040 is about 37737.7800088982. The cubic root of 1424140040 is about 1125.0821444546.

Adding to 1424140040 its reverse (400414241), we get a palindrome (1824554281).

The spelling of 1424140040 in words is "one billion, four hundred twenty-four million, one hundred forty thousand, forty".