2940528257 has 8 divisors (see below), whose sum is σ = 3044234496. Its totient is φ = 2838536352.

The previous prime is 2940528251. The next prime is 2940528271. The reversal of 2940528257 is 7528250492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940528257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2940528251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425093 + ... + 431954.

It is an arithmetic number, because the mean of its divisors is an integer number (380529312).

Almost surely, 2^2940528257 is an apocalyptic number.

It is an amenable number.

2940528257 is a deficient number, since it is larger than the sum of its proper divisors (103706239).

2940528257 is an equidigital number, since it uses as much as digits as its factorization.

2940528257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857167.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2940528257 is about 54226.6378913537. The cubic root of 2940528257 is about 1432.6555472133.

The spelling of 2940528257 in words is "two billion, nine hundred forty million, five hundred twenty-eight thousand, two hundred fifty-seven".