1402216740 has 36 divisors (see below), whose sum is σ = 4253391324. Its totient is φ = 373924416.

The previous prime is 1402216733. The next prime is 1402216801. The reversal of 1402216740 is 476122041.

1402216740 is a `hidden beast` number, since 1 + 402 + 216 + 7 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 169364196 + 1232852544 = 13014^2 + 35112^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3894867 + ... + 3895226.

It is an arithmetic number, because the mean of its divisors is an integer number (118149759).

Almost surely, 2^1402216740 is an apocalyptic number.

1402216740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402216740 is an abundant number, since it is smaller than the sum of its proper divisors (2851174584).

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

1402216740 is a wasteful number, since it uses less digits than its factorization.

1402216740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790108 (or 7790103 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1402216740 is about 37446.1845853486. The cubic root of 1402216740 is about 1119.2790694210.

Adding to 1402216740 its reverse (476122041), we get a palindrome (1878338781).

The spelling of 1402216740 in words is "one billion, four hundred two million, two hundred sixteen thousand, seven hundred forty".