40827155281 has 4 divisors (see below), whose sum is σ = 44538714864. Its totient is φ = 37115595700.

The previous prime is 40827155269. The next prime is 40827155339. The reversal of 40827155281 is 18255172804.

40827155281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40827155281 - 2⁵ = 40827155249 is a prime.

It is a super-2 number, since 2×40827155281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40827155581) 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, 1855779775 + ... + 1855779796.

It is an arithmetic number, because the mean of its divisors is an integer number (11134678716).

Almost surely, 2^40827155281 is an apocalyptic number.

It is an amenable number.

40827155281 is a deficient number, since it is larger than the sum of its proper divisors (3711559583).

40827155281 is a wasteful number, since it uses less digits than its factorization.

40827155281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711559582.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 40827155281 in words is "forty billion, eight hundred twenty-seven million, one hundred fifty-five thousand, two hundred eighty-one".