7488021888 has 64 divisors (see below), whose sum is σ = 22100074800. Its totient is φ = 2496006144.

The previous prime is 7488021869. The next prime is 7488021917. The reversal of 7488021888 is 8881208847.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079881 + ... + 1086792.

Almost surely, 2^7488021888 is an apocalyptic number.

It is an amenable number.

7488021888 is an abundant number, since it is smaller than the sum of its proper divisors (14612052912).

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

7488021888 is a wasteful number, since it uses less digits than its factorization.

7488021888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166696 (or 2166678 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 54.

The square root of 7488021888 is about 86533.3570826881. The cubic root of 7488021888 is about 1956.3912048271.

The spelling of 7488021888 in words is "seven billion, four hundred eighty-eight million, twenty-one thousand, eight hundred eighty-eight".