1012345444 has 48 divisors (see below), whose sum is σ = 2050405056. Its totient is φ = 432230400.

The previous prime is 1012345429. The next prime is 1012345459. The reversal of 1012345444 is 4445432101.

1012345444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1012345429) and next prime (1012345459).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502399 + ... + 504409.

It is an arithmetic number, because the mean of its divisors is an integer number (42716772).

Almost surely, 2^1012345444 is an apocalyptic number.

It is an amenable number.

1012345444 is an abundant number, since it is smaller than the sum of its proper divisors (1038059612).

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

1012345444 is a wasteful number, since it uses less digits than its factorization.

1012345444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1012345444 is about 31817.3764474697. The cubic root of 1012345444 is about 1004.0983287558.

Adding to 1012345444 its reverse (4445432101), we get a palindrome (5457777545).

The spelling of 1012345444 in words is "one billion, twelve million, three hundred forty-five thousand, four hundred forty-four".