1403140424 has 64 divisors (see below), whose sum is σ = 3351196800. Its totient is φ = 536177664.

The previous prime is 1403140423. The next prime is 1403140429. The reversal of 1403140424 is 4240413041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403140424.

It is not an unprimeable number, because it can be changed into a prime (1403140421) by changing a digit.

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, 20699 + ... + 56874.

It is an arithmetic number, because the mean of its divisors is an integer number (52362450).

Almost surely, 2^1403140424 is an apocalyptic number.

1403140424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1403140424 is an abundant number, since it is smaller than the sum of its proper divisors (1948056376).

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

1403140424 is a wasteful number, since it uses less digits than its factorization.

1403140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77622 (or 77618 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1403140424 is about 37458.5160410820. The cubic root of 1403140424 is about 1119.5247835130.

Adding to 1403140424 its reverse (4240413041), we get a palindrome (5643553465).

The spelling of 1403140424 in words is "one billion, four hundred three million, one hundred forty thousand, four hundred twenty-four".