40258196549 has 4 divisors (see below), whose sum is σ = 40259439264. Its totient is φ = 40256953836.

The previous prime is 40258196527. The next prime is 40258196551. The reversal of 40258196549 is 94569185204.

40258196549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40258196549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40258196549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40258196509) 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, 571427 + ... + 638000.

It is an arithmetic number, because the mean of its divisors is an integer number (10064859816).

Almost surely, 2^40258196549 is an apocalyptic number.

It is an amenable number.

40258196549 is a deficient number, since it is larger than the sum of its proper divisors (1242715).

40258196549 is a wasteful number, since it uses less digits than its factorization.

40258196549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242714.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 40258196549 in words is "forty billion, two hundred fifty-eight million, one hundred ninety-six thousand, five hundred forty-nine".