451400885 has 16 divisors (see below), whose sum is σ = 596918784. Its totient is φ = 325588032.

The previous prime is 451400869. The next prime is 451400891. The reversal of 451400885 is 588004154.

451400885 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 451400885 - 2⁴ = 451400869 is a prime.

It is a super-3 number, since 3×451400885³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77957 + ... + 83546.

It is an arithmetic number, because the mean of its divisors is an integer number (37307424).

Almost surely, 2^451400885 is an apocalyptic number.

It is an amenable number.

451400885 is a deficient number, since it is larger than the sum of its proper divisors (145517899).

451400885 is a wasteful number, since it uses less digits than its factorization.

451400885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161564.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 451400885 is about 21246.1969538080. The cubic root of 451400885 is about 767.1038022728.

The spelling of 451400885 in words is "four hundred fifty-one million, four hundred thousand, eight hundred eighty-five".