49642347390 has 64 divisors (see below), whose sum is σ = 125552788992. Its totient is φ = 12537008000.

The previous prime is 49642347389. The next prime is 49642347397. The reversal of 49642347390 is 9374324694.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49642347397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286476 + ... + 425855.

It is an arithmetic number, because the mean of its divisors is an integer number (1961762328).

Almost surely, 2^49642347390 is an apocalyptic number.

49642347390 is an abundant number, since it is smaller than the sum of its proper divisors (75910441602).

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

49642347390 is a wasteful number, since it uses less digits than its factorization.

49642347390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712465.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 49642347390 in words is "forty-nine billion, six hundred forty-two million, three hundred forty-seven thousand, three hundred ninety".