1072261439508 has 48 divisors (see below), whose sum is σ = 3027561715584. Its totient is φ = 288339210240.

The previous prime is 1072261439503. The next prime is 1072261439539. The reversal of 1072261439508 is 8059341622701.

It is a super-2 number, since 2×1072261439508² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072261439503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375440253 + ... + 375443108.

It is an arithmetic number, because the mean of its divisors is an integer number (63074202408).

It is a 1-persistent number, because it is pandigital, but 2⋅1072261439508 = 2144522879016 is not.

Almost surely, 2^{1072261439508} is an apocalyptic number.

It is an amenable number.

1072261439508 is an abundant number, since it is smaller than the sum of its proper divisors (1955300276076).

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

1072261439508 is a wasteful number, since it uses less digits than its factorization.

1072261439508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750883392 (or 750883390 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1072261439508 in words is "one trillion, seventy-two billion, two hundred sixty-one million, four hundred thirty-nine thousand, five hundred eight".