40377427275197 has 4 divisors (see below), whose sum is σ = 40377814733760. Its totient is φ = 40377039816636.

The previous prime is 40377427275131. The next prime is 40377427275203. The reversal of 40377427275197 is 79157272477304.

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 40377427275197 - 2³² = 40373132307901 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 (40377427275697) 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, 193572923 + ... + 193781400.

It is an arithmetic number, because the mean of its divisors is an integer number (10094453683440).

Almost surely, 2^{40377427275197} is an apocalyptic number.

It is an amenable number.

40377427275197 is a deficient number, since it is larger than the sum of its proper divisors (387458563).

40377427275197 is a wasteful number, since it uses less digits than its factorization.

40377427275197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387458562.

The product of its (nonzero) digits is 145212480, while the sum is 65.

The spelling of 40377427275197 in words is "forty trillion, three hundred seventy-seven billion, four hundred twenty-seven million, two hundred seventy-five thousand, one hundred ninety-seven".