40846478550 has 96 divisors (see below), whose sum is σ = 105873723648. Its totient is φ = 10402043520.

The previous prime is 40846478441. The next prime is 40846478567. The reversal of 40846478550 is 5587464804.

It is a super-2 number, since 2×40846478550² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40846478493 and 40846478502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2209144 + ... + 2227556.

It is an arithmetic number, because the mean of its divisors is an integer number (1102851288).

Almost surely, 2^40846478550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40846478550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52936861824).

40846478550 is an abundant number, since it is smaller than the sum of its proper divisors (65027245098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40846478550 is a wasteful number, since it uses less digits than its factorization.

40846478550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19094 (or 19089 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 40846478550 in words is "forty billion, eight hundred forty-six million, four hundred seventy-eight thousand, five hundred fifty".