40254664611541 has 4 divisors (see below), whose sum is σ = 40571630474752. Its totient is φ = 39937698748332.

The previous prime is 40254664611487. The next prime is 40254664611599. The reversal of 40254664611541 is 14511646645204.

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 40254664611541 - 2³⁵ = 40220304873173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254664611041) 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, 158482931415 + ... + 158482931668.

It is an arithmetic number, because the mean of its divisors is an integer number (10142907618688).

Almost surely, 2^{40254664611541} is an apocalyptic number.

It is an amenable number.

40254664611541 is a deficient number, since it is larger than the sum of its proper divisors (316965863211).

40254664611541 is a wasteful number, since it uses less digits than its factorization.

40254664611541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316965863210.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 40254664611541 in words is "forty trillion, two hundred fifty-four billion, six hundred sixty-four million, six hundred eleven thousand, five hundred forty-one".