4358640401 has 4 divisors (see below), whose sum is σ = 4364028900. Its totient is φ = 4353251904.

The previous prime is 4358640383. The next prime is 4358640427. The reversal of 4358640401 is 1040468534.

It is a Cunningham number, because it is equal to 66020²+1.

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 3836563600 + 522076801 = 61940^2 + 22849^2 .

It is a cyclic number.

It is not a de Polignac number, because 4358640401 - 2³⁰ = 3284898577 is a prime.

It is a super-2 number, since 2×4358640401² = 37995492290458881602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4358640491) 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, 2693036 + ... + 2694653.

It is an arithmetic number, because the mean of its divisors is an integer number (1091007225).

Almost surely, 2^4358640401 is an apocalyptic number.

It is an amenable number.

4358640401 is a deficient number, since it is larger than the sum of its proper divisors (5388499).

4358640401 is an equidigital number, since it uses as much as digits as its factorization.

4358640401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388498.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 4358640401 is about 66020.0000075735. Note that the first 5 decimals coincide. The cubic root of 4358640401 is about 1633.4920056272.

The spelling of 4358640401 in words is "four billion, three hundred fifty-eight million, six hundred forty thousand, four hundred one".