1402520442 has 16 divisors (see below), whose sum is σ = 2821839552. Its totient is φ = 464707040.

The previous prime is 1402520429. The next prime is 1402520443. The reversal of 1402520442 is 2440252041.

It is a happy number.

1402520442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1402520443) 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, 698859 + ... + 700862.

It is an arithmetic number, because the mean of its divisors is an integer number (176364972).

Almost surely, 2^1402520442 is an apocalyptic number.

1402520442 is an abundant number, since it is smaller than the sum of its proper divisors (1419319110).

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

1402520442 is a wasteful number, since it uses less digits than its factorization.

1402520442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399893.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1402520442 is about 37450.2395452953. The cubic root of 1402520442 is about 1119.3598707085.

Adding to 1402520442 its reverse (2440252041), we get a palindrome (3842772483).

The spelling of 1402520442 in words is "one billion, four hundred two million, five hundred twenty thousand, four hundred forty-two".