407490018401 has 4 divisors (see below), whose sum is σ = 407492318100. Its totient is φ = 407487718704.

The previous prime is 407490018329. The next prime is 407490018407. The reversal of 407490018401 is 104810094704.

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 352745717776 + 54744300625 = 593924^2 + 233975^2 .

It is a cyclic number.

It is not a de Polignac number, because 407490018401 - 2³⁰ = 406416276577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (407490018407) 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, 859646 + ... + 1246583.

It is an arithmetic number, because the mean of its divisors is an integer number (101873079525).

Almost surely, 2^407490018401 is an apocalyptic number.

It is an amenable number.

407490018401 is a deficient number, since it is larger than the sum of its proper divisors (2299699).

407490018401 is a wasteful number, since it uses less digits than its factorization.

407490018401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299698.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 407490018401 in words is "four hundred seven billion, four hundred ninety million, eighteen thousand, four hundred one".