3540156881 has 8 divisors (see below), whose sum is σ = 3603324960. Its totient is φ = 3477094432.

The previous prime is 3540156871. The next prime is 3540156883. The reversal of 3540156881 is 1886510453.

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 3540156881 - 2¹⁸ = 3539894737 is a prime.

It is a super-2 number, since 2×3540156881² = 25065421484183296322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540156883) 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, 42821 + ... + 94413.

It is an arithmetic number, because the mean of its divisors is an integer number (450415620).

Almost surely, 2^3540156881 is an apocalyptic number.

It is an amenable number.

3540156881 is a deficient number, since it is larger than the sum of its proper divisors (63168079).

3540156881 is a wasteful number, since it uses less digits than its factorization.

3540156881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52815.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 3540156881 is about 59499.2174822493. The cubic root of 3540156881 is about 1524.0790829386.

The spelling of 3540156881 in words is "three billion, five hundred forty million, one hundred fifty-six thousand, eight hundred eighty-one".