1402312424 has 16 divisors (see below), whose sum is σ = 2640340800. Its totient is φ = 698221552.

The previous prime is 1402312421. The next prime is 1402312427. The reversal of 1402312424 is 4242132041.

It is an interprime number because it is at equal distance from previous prime (1402312421) and next prime (1402312427).

It is a self number, because there is not a number n which added to its sum of digits gives 1402312424.

It is not an unprimeable number, because it can be changed into a prime (1402312421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364802 + ... + 368625.

It is an arithmetic number, because the mean of its divisors is an integer number (165021300).

Almost surely, 2^1402312424 is an apocalyptic number.

It is an amenable number.

1402312424 is a deficient number, since it is larger than the sum of its proper divisors (1238028376).

1402312424 is a wasteful number, since it uses less digits than its factorization.

1402312424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733672 (or 733668 counting only the distinct ones).

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

The square root of 1402312424 is about 37447.4621837048. The cubic root of 1402312424 is about 1119.3045278397.

Adding to 1402312424 its reverse (4242132041), we get a palindrome (5644444465).

The spelling of 1402312424 in words is "one billion, four hundred two million, three hundred twelve thousand, four hundred twenty-four".