3090762640 has 160 divisors (see below), whose sum is σ = 8411533056. Its totient is φ = 1034311680.

The previous prime is 3090762637. The next prime is 3090762641. The reversal of 3090762640 is 462670903.

It is a self number, because there is not a number n which added to its sum of digits gives 3090762640.

It is not an unprimeable number, because it can be changed into a prime (3090762641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5909419 + ... + 5909941.

Almost surely, 2^3090762640 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 3090762640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4205766528).

3090762640 is an abundant number, since it is smaller than the sum of its proper divisors (5320770416).

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

3090762640 is a wasteful number, since it uses less digits than its factorization.

3090762640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 3090762640 is about 55594.6277980166. The cubic root of 3090762640 is about 1456.6500161881.

The spelling of 3090762640 in words is "three billion, ninety million, seven hundred sixty-two thousand, six hundred forty".