49811522440 has 32 divisors (see below), whose sum is σ = 112226834880. Its totient is φ = 19897780672.

The previous prime is 49811522417. The next prime is 49811522459. The reversal of 49811522440 is 4422511894.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 49811522393 and 49811522402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808294 + ... + 867733.

It is an arithmetic number, because the mean of its divisors is an integer number (3507088590).

Almost surely, 2^49811522440 is an apocalyptic number.

49811522440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49811522440 is an abundant number, since it is smaller than the sum of its proper divisors (62415312440).

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

49811522440 is a wasteful number, since it uses less digits than its factorization.

49811522440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676781 (or 1676777 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 49811522440 in words is "forty-nine billion, eight hundred eleven million, five hundred twenty-two thousand, four hundred forty".