3540402619 has 4 divisors (see below), whose sum is σ = 3812741296. Its totient is φ = 3268063944.

The previous prime is 3540402611. The next prime is 3540402631. The reversal of 3540402619 is 9162040453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3540402619 - 2³ = 3540402611 is a prime.

It is a super-2 number, since 2×3540402619² = 25068901409244118322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3540402611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136169319 + ... + 136169344.

It is an arithmetic number, because the mean of its divisors is an integer number (953185324).

Almost surely, 2^3540402619 is an apocalyptic number.

3540402619 is a deficient number, since it is larger than the sum of its proper divisors (272338677).

3540402619 is a wasteful number, since it uses less digits than its factorization.

3540402619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272338676.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3540402619 is about 59501.2824987832. The cubic root of 3540402619 is about 1524.1143464870.

The spelling of 3540402619 in words is "three billion, five hundred forty million, four hundred two thousand, six hundred nineteen".