49940461536 has 192 divisors, whose sum is σ = 166984312320. Its totient is φ = 12722503680.

The previous prime is 49940461523. The next prime is 49940461537. The reversal of 49940461536 is 63516404994.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49940461537) 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, 102016 + ... + 332096.

It is an arithmetic number, because the mean of its divisors is an integer number (869709960).

Almost surely, 2^49940461536 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 49940461536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83492156160).

49940461536 is an abundant number, since it is smaller than the sum of its proper divisors (117043850784).

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

49940461536 is a wasteful number, since it uses less digits than its factorization.

49940461536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230137 (or 230129 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 49940461536 in words is "forty-nine billion, nine hundred forty million, four hundred sixty-one thousand, five hundred thirty-six".