40254661017771 has 8 divisors (see below), whose sum is σ = 53690256857040. Its totient is φ = 26827752928512.

The previous prime is 40254661017737. The next prime is 40254661017817. The reversal of 40254661017771 is 17771016645204.

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

It is not a de Polignac number, because 40254661017771 - 2¹⁵ = 40254660985003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40254661027771) 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, 2171926690 + ... + 2171945223.

It is an arithmetic number, because the mean of its divisors is an integer number (6711282107130).

Almost surely, 2^{40254661017771} is an apocalyptic number.

40254661017771 is a deficient number, since it is larger than the sum of its proper divisors (13435595839269).

40254661017771 is a wasteful number, since it uses less digits than its factorization.

40254661017771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343875005.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 40254661017771 in words is "forty trillion, two hundred fifty-four billion, six hundred sixty-one million, seventeen thousand, seven hundred seventy-one".