1402424144 has 20 divisors (see below), whose sum is σ = 2964215040. Its totient is φ = 637465440.

The previous prime is 1402424141. The next prime is 1402424171. The reversal of 1402424144 is 4414242041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402424141) 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, 3983984 + ... + 3984335.

It is an arithmetic number, because the mean of its divisors is an integer number (148210752).

Almost surely, 2^1402424144 is an apocalyptic number.

It is an amenable number.

1402424144 is an abundant number, since it is smaller than the sum of its proper divisors (1561790896).

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

1402424144 is a wasteful number, since it uses less digits than its factorization.

1402424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968338 (or 7968332 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1402424144 is about 37448.9538438659. The cubic root of 1402424144 is about 1119.3342514541.

Adding to 1402424144 its reverse (4414242041), we get a palindrome (5816666185).

The spelling of 1402424144 in words is "one billion, four hundred two million, four hundred twenty-four thousand, one hundred forty-four".