31048066440 has 96 divisors (see below), whose sum is σ = 106217092800. Its totient is φ = 7843720320.

The previous prime is 31048066403. The next prime is 31048066453. The reversal of 31048066440 is 4466084013.

31048066440 is a `hidden beast` number, since 3 + 1 + 0 + 4 + 8 + 0 + 6 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31048066395 and 31048066404.

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 23 ways as a sum of consecutive naturals, for example, 2262756 + ... + 2276435.

It is an arithmetic number, because the mean of its divisors is an integer number (1106428050).

Almost surely, 2^31048066440 is an apocalyptic number.

31048066440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31048066440 is an abundant number, since it is smaller than the sum of its proper divisors (75169026360).

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

31048066440 is a wasteful number, since it uses less digits than its factorization.

31048066440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539227 (or 4539220 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 31048066440 in words is "thirty-one billion, forty-eight million, sixty-six thousand, four hundred forty".