49190833440 has 720 divisors, whose sum is σ = 204977957184. Its totient is φ = 11075097600.

The previous prime is 49190833339. The next prime is 49190833451. The reversal of 49190833440 is 4433809194.

It is a happy number.

49190833440 is a `hidden beast` number, since 4 + 91 + 90 + 8 + 33 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 45087295 + ... + 45088385.

Almost surely, 2^49190833440 is an apocalyptic number.

49190833440 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 49190833440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102488978592).

49190833440 is an abundant number, since it is smaller than the sum of its proper divisors (155787123744).

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

49190833440 is a wasteful number, since it uses less digits than its factorization.

49190833440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 49190833440 in words is "forty-nine billion, one hundred ninety million, eight hundred thirty-three thousand, four hundred forty".