1450635640 has 32 divisors (see below), whose sum is σ = 3268097280. Its totient is φ = 579513472.

The previous prime is 1450635611. The next prime is 1450635661. The reversal of 1450635640 is 465360541.

It is a junction number, because it is equal to n+sod(n) for n = 1450635596 and 1450635605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9129 + ... + 54631.

It is an arithmetic number, because the mean of its divisors is an integer number (102128040).

Almost surely, 2^1450635640 is an apocalyptic number.

1450635640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450635640 is an abundant number, since it is smaller than the sum of its proper divisors (1817461640).

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

1450635640 is a wasteful number, since it uses less digits than its factorization.

1450635640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46311 (or 46307 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1450635640 is about 38087.2109769145. The cubic root of 1450635640 is about 1132.0165625815.

The spelling of 1450635640 in words is "one billion, four hundred fifty million, six hundred thirty-five thousand, six hundred forty".