451341940 has 144 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 147141120.

The previous prime is 451341937. The next prime is 451341953. The reversal of 451341940 is 49143154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1888341 + ... + 1888579.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^451341940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451341940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579156480).

451341940 is an abundant number, since it is smaller than the sum of its proper divisors (706971020).

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

451341940 is a wasteful number, since it uses less digits than its factorization.

451341940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 451341940 is about 21244.8097190820. The cubic root of 451341940 is about 767.0704107403.

It can be divided in two parts, 45134 and 1940, that added together give a palindrome (47074).

The spelling of 451341940 in words is "four hundred fifty-one million, three hundred forty-one thousand, nine hundred forty".