49406478 has 24 divisors (see below), whose sum is σ = 108614184. Its totient is φ = 14971440.

The previous prime is 49406453. The next prime is 49406531. The reversal of 49406478 is 87460494.

49406478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33301 + ... + 34752.

It is an arithmetic number, because the mean of its divisors is an integer number (4525591).

Almost surely, 2^49406478 is an apocalyptic number.

49406478 is an abundant number, since it is smaller than the sum of its proper divisors (59207706).

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

49406478 is a wasteful number, since it uses less digits than its factorization.

49406478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68080 (or 68069 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 49406478 is about 7028.9741783563. The cubic root of 49406478 is about 366.9396411711.

The spelling of 49406478 in words is "forty-nine million, four hundred six thousand, four hundred seventy-eight".