40420198258273 has 4 divisors (see below), whose sum is σ = 40662235373760. Its totient is φ = 40178161142788.

The previous prime is 40420198258261. The next prime is 40420198258331. The reversal of 40420198258273 is 37285289102404.

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 a de Polignac number, because none of the positive numbers 2^k-40420198258273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420198250273) 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, 121018557493 + ... + 121018557826.

It is an arithmetic number, because the mean of its divisors is an integer number (10165558843440).

Almost surely, 2^{40420198258273} is an apocalyptic number.

It is an amenable number.

40420198258273 is a deficient number, since it is larger than the sum of its proper divisors (242037115487).

40420198258273 is a wasteful number, since it uses less digits than its factorization.

40420198258273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242037115486.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 40420198258273 in words is "forty trillion, four hundred twenty billion, one hundred ninety-eight million, two hundred fifty-eight thousand, two hundred seventy-three".