3290490940 has 72 divisors (see below), whose sum is σ = 7609472640. Its totient is φ = 1194314880.

The previous prime is 3290490923. The next prime is 3290490961. The reversal of 3290490940 is 490940923.

It is a junction number, because it is equal to n+sod(n) for n = 3290490893 and 3290490902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1869781 + ... + 1871539.

It is an arithmetic number, because the mean of its divisors is an integer number (105687120).

Almost surely, 2^3290490940 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 3290490940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3804736320).

3290490940 is an abundant number, since it is smaller than the sum of its proper divisors (4318981700).

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

3290490940 is a wasteful number, since it uses less digits than its factorization.

3290490940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 3290490940 is about 57362.8010125029. The cubic root of 3290490940 is about 1487.3741629303.

The spelling of 3290490940 in words is "three billion, two hundred ninety million, four hundred ninety thousand, nine hundred forty".