3290749240 has 64 divisors (see below), whose sum is σ = 7489389600. Its totient is φ = 1301211648.

The previous prime is 3290749237. The next prime is 3290749303. The reversal of 3290749240 is 429470923.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3290749193 and 3290749202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3474447 + ... + 3475393.

Almost surely, 2^3290749240 is an apocalyptic number.

It is an amenable number.

3290749240 is an abundant number, since it is smaller than the sum of its proper divisors (4198640360).

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

3290749240 is a wasteful number, since it uses less digits than its factorization.

3290749240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 3290749240 is about 57365.0524274144. The cubic root of 3290749240 is about 1487.4130810027.

The spelling of 3290749240 in words is "three billion, two hundred ninety million, seven hundred forty-nine thousand, two hundred forty".