451072002 has 32 divisors (see below), whose sum is σ = 910344960. Its totient is φ = 148997520.

The previous prime is 451071991. The next prime is 451072007. The reversal of 451072002 is 200270154.

It is a super-3 number, since 3×451072002³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451072002.

It is not an unprimeable number, because it can be changed into a prime (451072007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357649 + ... + 358907.

It is an arithmetic number, because the mean of its divisors is an integer number (28448280).

Almost surely, 2^451072002 is an apocalyptic number.

451072002 is an abundant number, since it is smaller than the sum of its proper divisors (459272958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451072002 is a wasteful number, since it uses less digits than its factorization.

451072002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 451072002 is about 21238.4557348222. The cubic root of 451072002 is about 766.9174574193.

The spelling of 451072002 in words is "four hundred fifty-one million, seventy-two thousand, two".