49490209494 has 64 divisors (see below), whose sum is σ = 120008597760. Its totient is φ = 14992992000.

The previous prime is 49490209423. The next prime is 49490209499.

It is a happy number.

49490209494 is a `hidden beast` number, since 49 + 4 + 90 + 20 + 9 + 494 = 666.

49490209494 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49490209494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49490209499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2777574 + ... + 2795334.

It is an arithmetic number, because the mean of its divisors is an integer number (1875134340).

Almost surely, 2^49490209494 is an apocalyptic number.

49490209494 is an abundant number, since it is smaller than the sum of its proper divisors (70518388266).

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

49490209494 is a wasteful number, since it uses less digits than its factorization.

49490209494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22474 (or 22468 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 49490209494 in words is "forty-nine billion, four hundred ninety million, two hundred nine thousand, four hundred ninety-four".