451426340 has 48 divisors (see below), whose sum is σ = 988216320. Its totient is φ = 173024640.

The previous prime is 451426337. The next prime is 451426351. The reversal of 451426340 is 43624154.

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, 60326 + ... + 67394.

It is an arithmetic number, because the mean of its divisors is an integer number (20587840).

Almost surely, 2^451426340 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 451426340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494108160).

451426340 is an abundant number, since it is smaller than the sum of its proper divisors (536789980).

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

451426340 is a wasteful number, since it uses less digits than its factorization.

451426340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212 (or 7210 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 451426340 is about 21246.7959937493. The cubic root of 451426340 is about 767.1182212818.

The spelling of 451426340 in words is "four hundred fifty-one million, four hundred twenty-six thousand, three hundred forty".