451350540 has 72 divisors (see below), whose sum is σ = 1372495488. Its totient is φ = 120061440.

The previous prime is 451350539. The next prime is 451350547. The reversal of 451350540 is 45053154.

It is not an unprimeable number, because it can be changed into a prime (451350547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75045 + ... + 80835.

Almost surely, 2^451350540 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 451350540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686247744).

451350540 is an abundant number, since it is smaller than the sum of its proper divisors (921144948).

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

451350540 is a wasteful number, since it uses less digits than its factorization.

451350540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6234 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 451350540 is about 21245.0121204955. The cubic root of 451350540 is about 767.0752827033.

The spelling of 451350540 in words is "four hundred fifty-one million, three hundred fifty thousand, five hundred forty".