3213402402 has 64 divisors (see below), whose sum is σ = 7725072384. Its totient is φ = 871715520.

The previous prime is 3213402397. The next prime is 3213402421. The reversal of 3213402402 is 2042043123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45723 + ... + 92289.

It is an arithmetic number, because the mean of its divisors is an integer number (120704256).

Almost surely, 2^3213402402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213402402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862536192).

3213402402 is an abundant number, since it is smaller than the sum of its proper divisors (4511669982).

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

3213402402 is a wasteful number, since it uses less digits than its factorization.

3213402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46663.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3213402402 is about 56686.8803339891. The cubic root of 3213402402 is about 1475.6670202738.

Adding to 3213402402 its reverse (2042043123), we get a palindrome (5255445525).

The spelling of 3213402402 in words is "three billion, two hundred thirteen million, four hundred two thousand, four hundred two".