34402021555 has 16 divisors (see below), whose sum is σ = 45040366944. Its totient is φ = 25016878080.

The previous prime is 34402021531. The next prime is 34402021711. The reversal of 34402021555 is 55512020443.

It is not a de Polignac number, because 34402021555 - 2⁵ = 34402021523 is a prime.

It is a Duffinian 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, 556789 + ... + 615481.

It is an arithmetic number, because the mean of its divisors is an integer number (2815022934).

Almost surely, 2^34402021555 is an apocalyptic number.

34402021555 is a deficient number, since it is larger than the sum of its proper divisors (10638345389).

34402021555 is a wasteful number, since it uses less digits than its factorization.

34402021555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69366.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 34402021555 its reverse (55512020443), we get a palindrome (89914041998).

The spelling of 34402021555 in words is "thirty-four billion, four hundred two million, twenty-one thousand, five hundred fifty-five".