3540247057 has 16 divisors (see below), whose sum is σ = 3661515648. Its totient is φ = 3421486080.

The previous prime is 3540247043. The next prime is 3540247069. The reversal of 3540247057 is 7507420453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3540247057 - 2³¹ = 1392763409 is a prime.

It is a super-2 number, since 2×3540247057² = 25066698449194322498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540245057) by changing a digit.

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, 975348 + ... + 978970.

It is an arithmetic number, because the mean of its divisors is an integer number (228844728).

Almost surely, 2^3540247057 is an apocalyptic number.

It is an amenable number.

3540247057 is a deficient number, since it is larger than the sum of its proper divisors (121268591).

3540247057 is a wasteful number, since it uses less digits than its factorization.

3540247057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 3540247057 is about 59499.9752689024. The cubic root of 3540247057 is about 1524.0920234375.

The spelling of 3540247057 in words is "three billion, five hundred forty million, two hundred forty-seven thousand, fifty-seven".