4001003748 has 72 divisors (see below), whose sum is σ = 11986566592. Its totient is φ = 1143141984.

The previous prime is 4001003731. The next prime is 4001003767. The reversal of 4001003748 is 8473001004.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 287215 + ... + 300822.

Almost surely, 2^4001003748 is an apocalyptic number.

It is an amenable number.

4001003748 is an abundant number, since it is smaller than the sum of its proper divisors (7985562844).

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

4001003748 is a wasteful number, since it uses less digits than its factorization.

4001003748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588063 (or 588049 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4001003748 is about 63253.4880303055. The cubic root of 4001003748 is about 1587.5338200826.

The spelling of 4001003748 in words is "four billion, one million, three thousand, seven hundred forty-eight".