748111440 has 80 divisors (see below), whose sum is σ = 2331065088. Its totient is φ = 198471168.

The previous prime is 748111421. The next prime is 748111447. The reversal of 748111440 is 44111847.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 748111398 and 748111407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748111447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39369 + ... + 55191.

Almost surely, 2^748111440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165532544).

748111440 is an abundant number, since it is smaller than the sum of its proper divisors (1582953648).

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

748111440 is a wasteful number, since it uses less digits than its factorization.

748111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16036 (or 16030 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 748111440 is about 27351.6259114518. The cubic root of 748111440 is about 907.7970462451.

The spelling of 748111440 in words is "seven hundred forty-eight million, one hundred eleven thousand, four hundred forty".