40080620397 has 8 divisors (see below), whose sum is σ = 53444184640. Its totient is φ = 26718734880.

The previous prime is 40080620381. The next prime is 40080620399. The reversal of 40080620397 is 79302608004.

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

It is not a de Polignac number, because 40080620397 - 2⁴ = 40080620381 is a prime.

It is a super-2 number, since 2×40080620397² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080620399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362872 + ... + 460257.

It is an arithmetic number, because the mean of its divisors is an integer number (6680523080).

Almost surely, 2^40080620397 is an apocalyptic number.

It is an amenable number.

40080620397 is a deficient number, since it is larger than the sum of its proper divisors (13363564243).

40080620397 is a wasteful number, since it uses less digits than its factorization.

40080620397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839363.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 40080620397 in words is "forty billion, eighty million, six hundred twenty thousand, three hundred ninety-seven".