3540926081 has 16 divisors (see below), whose sum is σ = 4480558080. Its totient is φ = 2717977680.

The previous prime is 3540926057. The next prime is 3540926087. The reversal of 3540926081 is 1806290453.

It is a happy number.

It is not a de Polignac number, because 3540926081 - 2⁶ = 3540926017 is a prime.

It is a super-2 number, since 2×3540926081² = 25076315022212037122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540926087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338021 + ... + 348338.

It is an arithmetic number, because the mean of its divisors is an integer number (280034880).

Almost surely, 2^3540926081 is an apocalyptic number.

It is an amenable number.

3540926081 is a deficient number, since it is larger than the sum of its proper divisors (939631999).

3540926081 is a wasteful number, since it uses less digits than its factorization.

3540926081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686444.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 3540926081 is about 59505.6810817253. The cubic root of 3540926081 is about 1524.1894581539.

The spelling of 3540926081 in words is "three billion, five hundred forty million, nine hundred twenty-six thousand, eighty-one".