1138470240 has 96 divisors (see below), whose sum is σ = 3608430336. Its totient is φ = 301708800.

The previous prime is 1138470217. The next prime is 1138470301. The reversal of 1138470240 is 420748311.

1138470240 is digitally balanced in base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1138470240² = 2592228974731315200, which contains 22 as substring.

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 = 1138470198 and 1138470207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70965 + ... + 85515.

It is an arithmetic number, because the mean of its divisors is an integer number (37587816).

Almost surely, 2^1138470240 is an apocalyptic number.

1138470240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138470240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804215168).

1138470240 is an abundant number, since it is smaller than the sum of its proper divisors (2469960096).

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

1138470240 is a wasteful number, since it uses less digits than its factorization.

1138470240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732 (or 14724 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1138470240 is about 33741.2246369334. The cubic root of 1138470240 is about 1044.1764502627.

The spelling of 1138470240 in words is "one billion, one hundred thirty-eight million, four hundred seventy thousand, two hundred forty".