40951855049 has 4 divisors (see below), whose sum is σ = 46802120064. Its totient is φ = 35101590036.

The previous prime is 40951855013. The next prime is 40951855103. The reversal of 40951855049 is 94055815904.

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 40951855049 - 2⁸ = 40951854793 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40951854988 and 40951855006.

It is not an unprimeable number, because it can be changed into a prime (40951855349) 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, 2925132497 + ... + 2925132510.

It is an arithmetic number, because the mean of its divisors is an integer number (11700530016).

Almost surely, 2^40951855049 is an apocalyptic number.

It is an amenable number.

40951855049 is a deficient number, since it is larger than the sum of its proper divisors (5850265015).

40951855049 is an equidigital number, since it uses as much as digits as its factorization.

40951855049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850265014.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 40951855049 in words is "forty billion, nine hundred fifty-one million, eight hundred fifty-five thousand, forty-nine".