408826451561 has 8 divisors (see below), whose sum is σ = 446667224448. Its totient is φ = 371098134000.

The previous prime is 408826451543. The next prime is 408826451567. The reversal of 408826451561 is 165154628804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408826451561 - 2³⁴ = 391646582377 is a prime.

It is a super-3 number, since 3×408826451561³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408826451567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28106225 + ... + 28120766.

It is an arithmetic number, because the mean of its divisors is an integer number (55833403056).

Almost surely, 2^408826451561 is an apocalyptic number.

It is an amenable number.

408826451561 is a deficient number, since it is larger than the sum of its proper divisors (37840772887).

408826451561 is a wasteful number, since it uses less digits than its factorization.

408826451561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56227663.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 408826451561 in words is "four hundred eight billion, eight hundred twenty-six million, four hundred fifty-one thousand, five hundred sixty-one".