49394470478 has 8 divisors (see below), whose sum is σ = 74166473280. Its totient is φ = 24672312720.

The previous prime is 49394470471. The next prime is 49394470483. The reversal of 49394470478 is 87407449394.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49394470471) 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, 12458783 + ... + 12462746.

It is an arithmetic number, because the mean of its divisors is an integer number (9270809160).

Almost surely, 2^49394470478 is an apocalyptic number.

49394470478 is a deficient number, since it is larger than the sum of its proper divisors (24772002802).

49394470478 is a wasteful number, since it uses less digits than its factorization.

49394470478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24922522.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 49394470478 in words is "forty-nine billion, three hundred ninety-four million, four hundred seventy thousand, four hundred seventy-eight".