1402443357 has 24 divisors (see below), whose sum is σ = 2187831456. Its totient is φ = 796749408.

The previous prime is 1402443353. The next prime is 1402443389. The reversal of 1402443357 is 7533442041.

It is not a de Polignac number, because 1402443357 - 2² = 1402443353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402443353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143 + ... + 53004.

It is an arithmetic number, because the mean of its divisors is an integer number (91159644).

Almost surely, 2^1402443357 is an apocalyptic number.

It is an amenable number.

1402443357 is a deficient number, since it is larger than the sum of its proper divisors (785388099).

1402443357 is a wasteful number, since it uses less digits than its factorization.

1402443357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55337 (or 55330 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 1402443357 is about 37449.2103655070. The cubic root of 1402443357 is about 1119.3393630011.

Adding to 1402443357 its reverse (7533442041), we get a palindrome (8935885398).

The spelling of 1402443357 in words is "one billion, four hundred two million, four hundred forty-three thousand, three hundred fifty-seven".