9249561940 has 12 divisors (see below), whose sum is σ = 19424080116. Its totient is φ = 3699824768.

The previous prime is 9249561917. The next prime is 9249561967. The reversal of 9249561940 is 491659429.

It can be written as a sum of positive squares in 2 ways, for example, as 938687044 + 8310874896 = 30638^2 + 91164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231239029 + ... + 231239068.

It is an arithmetic number, because the mean of its divisors is an integer number (1618673343).

Almost surely, 2^9249561940 is an apocalyptic number.

It is an amenable number.

9249561940 is an abundant number, since it is smaller than the sum of its proper divisors (10174518176).

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

9249561940 is a wasteful number, since it uses less digits than its factorization.

9249561940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462478106 (or 462478104 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 9249561940 is about 96174.6429158955. The cubic root of 9249561940 is about 2099.1350890249.

The spelling of 9249561940 in words is "nine billion, two hundred forty-nine million, five hundred sixty-one thousand, nine hundred forty".