1000464140 has 24 divisors (see below), whose sum is σ = 2262588720. Its totient is φ = 369402048.

The previous prime is 1000464139. The next prime is 1000464149. The reversal of 1000464140 is 414640001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1000464149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923710 + ... + 1924229.

It is an arithmetic number, because the mean of its divisors is an integer number (94274530).

Almost surely, 2^1000464140 is an apocalyptic number.

1000464140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000464140 is an abundant number, since it is smaller than the sum of its proper divisors (1262124580).

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

1000464140 is a wasteful number, since it uses less digits than its factorization.

1000464140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847961 (or 3847959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1000464140 is about 31630.1144481015. The cubic root of 1000464140 is about 1000.1546894033.

The spelling of 1000464140 in words is "one billion, four hundred sixty-four thousand, one hundred forty".