49473783253440 has 3584 divisors, whose sum is σ = 237050401996800. Its totient is φ = 9417554657280.

The previous prime is 49473783253393. The next prime is 49473783253441. The reversal of 49473783253440 is 4435238737494.

49473783253440 is a `hidden beast` number, since 4 + 9 + 4 + 7 + 378 + 3 + 253 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49473783253441) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 35112691456 + ... + 35112692864.

It is an arithmetic number, because the mean of its divisors is an integer number (66141295200).

Almost surely, 2^{49473783253440} is an apocalyptic number.

49473783253440 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 49473783253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118525200998400).

49473783253440 is an abundant number, since it is smaller than the sum of its proper divisors (187576618743360).

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

49473783253440 is a wasteful number, since it uses less digits than its factorization.

49473783253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 63.

The spelling of 49473783253440 in words is "forty-nine trillion, four hundred seventy-three billion, seven hundred eighty-three million, two hundred fifty-three thousand, four hundred forty".