1440010782 has 48 divisors (see below), whose sum is σ = 3615985152. Its totient is φ = 405634320.

The previous prime is 1440010771. The next prime is 1440010783. The reversal of 1440010782 is 2870100441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440010783) 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, 71538 + ... + 89429.

It is an arithmetic number, because the mean of its divisors is an integer number (75333024).

Almost surely, 2^1440010782 is an apocalyptic number.

1440010782 is an abundant number, since it is smaller than the sum of its proper divisors (2175974370).

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

1440010782 is a wasteful number, since it uses less digits than its factorization.

1440010782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161053 (or 161050 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1440010782 is about 37947.4739870785. The cubic root of 1440010782 is about 1129.2460530531.

The spelling of 1440010782 in words is "one billion, four hundred forty million, ten thousand, seven hundred eighty-two".