3455021401 has 16 divisors (see below), whose sum is σ = 4075520400. Its totient is φ = 2898137088.

The previous prime is 3455021341. The next prime is 3455021447. The reversal of 3455021401 is 1041205543.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 468289600 + 2986731801 = 21640^2 + 54651^2 .

It is a cyclic number.

It is not a de Polignac number, because 3455021401 - 2¹¹ = 3455019353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3455021461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263136 + ... + 275953.

It is an arithmetic number, because the mean of its divisors is an integer number (254720025).

Almost surely, 2^3455021401 is an apocalyptic number.

It is an amenable number.

3455021401 is a deficient number, since it is larger than the sum of its proper divisors (620498999).

3455021401 is a wasteful number, since it uses less digits than its factorization.

3455021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539148.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3455021401 is about 58779.4300840013. The cubic root of 3455021401 is about 1511.7625429905.

Adding to 3455021401 its reverse (1041205543), we get a palindrome (4496226944).

The spelling of 3455021401 in words is "three billion, four hundred fifty-five million, twenty-one thousand, four hundred one".