1040010944 has 56 divisors (see below), whose sum is σ = 2403152928. Its totient is φ = 437299200.

The previous prime is 1040010931. The next prime is 1040010949. The reversal of 1040010944 is 4490100401.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1040010944² = 2163245527279542272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040010949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844 + ... + 45644.

Almost surely, 2^1040010944 is an apocalyptic number.

1040010944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040010944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201576464).

1040010944 is an abundant number, since it is smaller than the sum of its proper divisors (1363141984).

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

1040010944 is an equidigital number, since it uses as much as digits as its factorization.

1040010944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43873 (or 43863 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1040010944 is about 32249.2006722647. The cubic root of 1040010944 is about 1013.1629576592.

The spelling of 1040010944 in words is "one billion, forty million, ten thousand, nine hundred forty-four".