49161750280 has 64 divisors (see below), whose sum is σ = 113938559280. Its totient is φ = 19078963200.

The previous prime is 49161750277. The next prime is 49161750283. The reversal of 49161750280 is 8205716194.

It is an interprime number because it is at equal distance from previous prime (49161750277) and next prime (49161750283).

It can be written as a sum of positive squares in 8 ways, for example, as 6240684004 + 42921066276 = 78998^2 + 207174^2 .

It is not an unprimeable number, because it can be changed into a prime (49161750283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214032 + ... + 379648.

Almost surely, 2^49161750280 is an apocalyptic number.

49161750280 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 49161750280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56969279640).

49161750280 is an abundant number, since it is smaller than the sum of its proper divisors (64776809000).

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

49161750280 is a wasteful number, since it uses less digits than its factorization.

49161750280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165850 (or 165846 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 49161750280 in words is "forty-nine billion, one hundred sixty-one million, seven hundred fifty thousand, two hundred eighty".