3540338021 has 8 divisors (see below), whose sum is σ = 3862920288. Its totient is φ = 3217878000.

The previous prime is 3540338017. The next prime is 3540338029. The reversal of 3540338021 is 1208330453.

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

It is a cyclic number.

It is not a de Polignac number, because 3540338021 - 2² = 3540338017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540338029) 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, 36386 + ... + 91676.

It is an arithmetic number, because the mean of its divisors is an integer number (482865036).

Almost surely, 2^3540338021 is an apocalyptic number.

It is an amenable number.

3540338021 is a deficient number, since it is larger than the sum of its proper divisors (322582267).

3540338021 is a wasteful number, since it uses less digits than its factorization.

3540338021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61123.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3540338021 is about 59500.7396676714. The cubic root of 3540338021 is about 1524.1050767939.

Adding to 3540338021 its reverse (1208330453), we get a palindrome (4748668474).

The spelling of 3540338021 in words is "three billion, five hundred forty million, three hundred thirty-eight thousand, twenty-one".