451220213334 has 32 divisors (see below), whose sum is σ = 1001166583680. Its totient is φ = 134415881600.

The previous prime is 451220213317. The next prime is 451220213351. The reversal of 451220213334 is 433312022154.

It is an interprime number because it is at equal distance from previous prime (451220213317) and next prime (451220213351).

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, 57933987 + ... + 57941774.

It is an arithmetic number, because the mean of its divisors is an integer number (31286455740).

Almost surely, 2^451220213334 is an apocalyptic number.

451220213334 is an abundant number, since it is smaller than the sum of its proper divisors (549946370346).

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

451220213334 is a wasteful number, since it uses less digits than its factorization.

451220213334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115875836.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 451220213334 its reverse (433312022154), we get a palindrome (884532235488).

It can be divided in two parts, 4512202 and 13334, that added together give a triangular number (4525536 = T₃₀₀₈).

The spelling of 451220213334 in words is "four hundred fifty-one billion, two hundred twenty million, two hundred thirteen thousand, three hundred thirty-four".