3405578401 has 4 divisors (see below), whose sum is σ = 3414709012. Its totient is φ = 3396447792.

The previous prime is 3405578399. The next prime is 3405578417. The reversal of 3405578401 is 1048755043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2857971600 + 547606801 = 53460^2 + 23401^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405578401 - 2¹ = 3405578399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405578201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4564746 + ... + 4565491.

It is an arithmetic number, because the mean of its divisors is an integer number (853677253).

Almost surely, 2^3405578401 is an apocalyptic number.

It is an amenable number.

3405578401 is a deficient number, since it is larger than the sum of its proper divisors (9130611).

3405578401 is an equidigital number, since it uses as much as digits as its factorization.

3405578401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130610.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 3405578401 is about 58357.3337379288. Note that the first 3 decimals coincide. The cubic root of 3405578401 is about 1504.5165205271.

The spelling of 3405578401 in words is "three billion, four hundred five million, five hundred seventy-eight thousand, four hundred one".