49997434740 has 288 divisors, whose sum is σ = 158776464000. Its totient is φ = 11737820160.

The previous prime is 49997434733. The next prime is 49997434783. The reversal of 49997434740 is 4743479994.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 95 ways as a sum of consecutive naturals, for example, 100195011 + ... + 100195509.

Almost surely, 2^49997434740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49997434740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79388232000).

49997434740 is an abundant number, since it is smaller than the sum of its proper divisors (108779029260).

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

49997434740 is a wasteful number, since it uses less digits than its factorization.

49997434740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 49997434740 in words is "forty-nine billion, nine hundred ninety-seven million, four hundred thirty-four thousand, seven hundred forty".