4388264540 has 24 divisors (see below), whose sum is σ = 10053115632. Its totient is φ = 1595732480.

The previous prime is 4388264539. The next prime is 4388264561. The reversal of 4388264540 is 454628834.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4388264491 and 4388264500.

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, 9973109 + ... + 9973548.

It is an arithmetic number, because the mean of its divisors is an integer number (418879818).

Almost surely, 2^4388264540 is an apocalyptic number.

It is an amenable number.

4388264540 is an abundant number, since it is smaller than the sum of its proper divisors (5664851092).

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

4388264540 is a wasteful number, since it uses less digits than its factorization.

4388264540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19946677 (or 19946675 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The square root of 4388264540 is about 66243.9773866274. The cubic root of 4388264540 is about 1637.1844089282.

The spelling of 4388264540 in words is "four billion, three hundred eighty-eight million, two hundred sixty-four thousand, five hundred forty".