1402201408 has 28 divisors (see below), whose sum is σ = 2813768820. Its totient is φ = 693220352.

The previous prime is 1402201391. The next prime is 1402201421. The reversal of 1402201408 is 8041022041.

It can be written as a sum of positive squares in 2 ways, for example, as 638673984 + 763527424 = 25272^2 + 27632^2 .

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, 117391 + ... + 128782.

Almost surely, 2^1402201408 is an apocalyptic number.

It is an amenable number.

1402201408 is an abundant number, since it is smaller than the sum of its proper divisors (1411567412).

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

1402201408 is an equidigital number, since it uses as much as digits as its factorization.

1402201408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246274 (or 246264 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1402201408 is about 37445.9798643326. The cubic root of 1402201408 is about 1119.2749899639.

Adding to 1402201408 its reverse (8041022041), we get a palindrome (9443223449).

The spelling of 1402201408 in words is "one billion, four hundred two million, two hundred one thousand, four hundred eight".