40420198258271 has 16 divisors (see below), whose sum is σ = 43803280933440. Its totient is φ = 37297091988000.

The previous prime is 40420198258261. The next prime is 40420198258331. The reversal of 40420198258271 is 17285289102404.

It is a happy number.

It is not a de Polignac number, because 40420198258271 - 2³⁴ = 40403018389087 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 (40420198258261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500646 + ... + 9332396.

It is an arithmetic number, because the mean of its divisors is an integer number (2737705058340).

Almost surely, 2^{40420198258271} is an apocalyptic number.

40420198258271 is a deficient number, since it is larger than the sum of its proper divisors (3383082675169).

40420198258271 is an equidigital number, since it uses as much as digits as its factorization.

40420198258271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834483 (or 6834457 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 40420198258271 in words is "forty trillion, four hundred twenty billion, one hundred ninety-eight million, two hundred fifty-eight thousand, two hundred seventy-one".