49246857680 has 90 divisors (see below), whose sum is σ = 117427147686. Its totient is φ = 19207286784.

The previous prime is 49246857679. The next prime is 49246857683. The reversal of 49246857680 is 8675864294.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35926927936 + 13319929744 = 189544^2 + 115412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49246857683) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 85349552 + ... + 85350128.

Almost surely, 2^49246857680 is an apocalyptic number.

49246857680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49246857680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58713573843).

49246857680 is an abundant number, since it is smaller than the sum of its proper divisors (68180290006).

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

49246857680 is an frugal number, since it uses more digits than its factorization.

49246857680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 49246857680 in words is "forty-nine billion, two hundred forty-six million, eight hundred fifty-seven thousand, six hundred eighty".