3201402556 has 24 divisors (see below), whose sum is σ = 6241810176. Its totient is φ = 1424220720.

The previous prime is 3201402553. The next prime is 3201402559. The reversal of 3201402556 is 6552041023.

It is an interprime number because it is at equal distance from previous prime (3201402553) and next prime (3201402559).

It is a super-3 number, since 3×3201402556³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201402553) 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, 771966 + ... + 776101.

It is an arithmetic number, because the mean of its divisors is an integer number (260075424).

Almost surely, 2^3201402556 is an apocalyptic number.

It is an amenable number.

3201402556 is a deficient number, since it is larger than the sum of its proper divisors (3040407620).

3201402556 is a wasteful number, since it uses less digits than its factorization.

3201402556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548129 (or 1548127 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3201402556 is about 56580.9380975607. The cubic root of 3201402556 is about 1473.8278621962.

Adding to 3201402556 its reverse (6552041023), we get a palindrome (9753443579).

The spelling of 3201402556 in words is "three billion, two hundred one million, four hundred two thousand, five hundred fifty-six".