1072555044 has 96 divisors (see below), whose sum is σ = 2869171200. Its totient is φ = 308668800.

The previous prime is 1072555037. The next prime is 1072555051. The reversal of 1072555044 is 4405552701.

It is an interprime number because it is at equal distance from previous prime (1072555037) and next prime (1072555051).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1072554996 and 1072555014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451179 + ... + 453549.

It is an arithmetic number, because the mean of its divisors is an integer number (29887200).

Almost surely, 2^1072555044 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 1072555044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434585600).

1072555044 is an abundant number, since it is smaller than the sum of its proper divisors (1796616156).

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

1072555044 is a wasteful number, since it uses less digits than its factorization.

1072555044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1072555044 is about 32749.8861677411. The cubic root of 1072555044 is about 1023.6225937182.

The spelling of 1072555044 in words is "one billion, seventy-two million, five hundred fifty-five thousand, forty-four".