1402516340 has 12 divisors (see below), whose sum is σ = 2945284356. Its totient is φ = 561006528.

The previous prime is 1402516319. The next prime is 1402516387. The reversal of 1402516340 is 436152041.

It can be written as a sum of positive squares in 2 ways, for example, as 1016079376 + 386436964 = 31876^2 + 19658^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35062889 + ... + 35062928.

It is an arithmetic number, because the mean of its divisors is an integer number (245440363).

Almost surely, 2^1402516340 is an apocalyptic number.

1402516340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402516340 is an abundant number, since it is smaller than the sum of its proper divisors (1542768016).

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

1402516340 is a wasteful number, since it uses less digits than its factorization.

1402516340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70125826 (or 70125824 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1402516340 is about 37450.1847792504. The cubic root of 1402516340 is about 1119.3587794306.

Adding to 1402516340 its reverse (436152041), we get a palindrome (1838668381).

The spelling of 1402516340 in words is "one billion, four hundred two million, five hundred sixteen thousand, three hundred forty".