4128737240 has 32 divisors (see below), whose sum is σ = 9778590000. Its totient is φ = 1564573824.

The previous prime is 4128737227. The next prime is 4128737267. The reversal of 4128737240 is 427378214.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 4128737194 and 4128737203.

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, 2715515 + ... + 2717034.

Almost surely, 2^4128737240 is an apocalyptic number.

4128737240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4128737240 is an abundant number, since it is smaller than the sum of its proper divisors (5649852760).

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

4128737240 is a wasteful number, since it uses less digits than its factorization.

4128737240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432579 (or 5432575 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 4128737240 is about 64255.2506803919. The cubic root of 4128737240 is about 1604.2513551901.

The spelling of 4128737240 in words is "four billion, one hundred twenty-eight million, seven hundred thirty-seven thousand, two hundred forty".