1010400544 has 48 divisors (see below), whose sum is σ = 2098111680. Its totient is φ = 477653760.

The previous prime is 1010400529. The next prime is 1010400569. The reversal of 1010400544 is 4450040101.

1010400544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 371349 + ... + 374059.

It is an arithmetic number, because the mean of its divisors is an integer number (43710660).

Almost surely, 2^1010400544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010400544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049055840).

1010400544 is an abundant number, since it is smaller than the sum of its proper divisors (1087711136).

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

1010400544 is a wasteful number, since it uses less digits than its factorization.

1010400544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1010400544 is about 31786.7982659468. The cubic root of 1010400544 is about 1003.4548979340.

Adding to 1010400544 its reverse (4450040101), we get a palindrome (5460440645).

The spelling of 1010400544 in words is "one billion, ten million, four hundred thousand, five hundred forty-four".