450510042402 has 96 divisors (see below), whose sum is σ = 1165977590400. Its totient is φ = 128563104096.

The previous prime is 450510042377. The next prime is 450510042407. The reversal of 450510042402 is 204240015054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (450510042407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2118528 + ... + 2321460.

It is an arithmetic number, because the mean of its divisors is an integer number (12145599900).

Almost surely, 2^450510042402 is an apocalyptic number.

450510042402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 450510042402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582988795200).

450510042402 is an abundant number, since it is smaller than the sum of its proper divisors (715467547998).

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

450510042402 is a wasteful number, since it uses less digits than its factorization.

450510042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203797 (or 203784 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 450510042402 its reverse (204240015054), we get a palindrome (654750057456).

The spelling of 450510042402 in words is "four hundred fifty billion, five hundred ten million, forty-two thousand, four hundred two".