2621102402 has 32 divisors (see below), whose sum is σ = 4332856320. Its totient is φ = 1183651920.

The previous prime is 2621102387. The next prime is 2621102411. The reversal of 2621102402 is 2042011262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266993 + ... + 276635.

It is an arithmetic number, because the mean of its divisors is an integer number (135401760).

Almost surely, 2^2621102402 is an apocalyptic number.

2621102402 is a deficient number, since it is larger than the sum of its proper divisors (1711753918).

2621102402 is a wasteful number, since it uses less digits than its factorization.

2621102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2621102402 is about 51196.7030383793. The cubic root of 2621102402 is about 1378.7790085811.

Adding to 2621102402 its reverse (2042011262), we get a palindrome (4663113664).

The spelling of 2621102402 in words is "two billion, six hundred twenty-one million, one hundred two thousand, four hundred two".