2315454240 has 96 divisors (see below), whose sum is σ = 7956760896. Its totient is φ = 561320960.

The previous prime is 2315454217. The next prime is 2315454259. The reversal of 2315454240 is 424545132.

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

It is a super-2 number, since 2×2315454240² = 10722656675067955200, 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 = 2315454198 and 2315454207.

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, 213987 + ... + 224546.

It is an arithmetic number, because the mean of its divisors is an integer number (82882926).

Almost surely, 2^2315454240 is an apocalyptic number.

2315454240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315454240 is an abundant number, since it is smaller than the sum of its proper divisors (5641306656).

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

2315454240 is a wasteful number, since it uses less digits than its factorization.

2315454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438562 (or 438554 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2315454240 is about 48119.1670750856. The cubic root of 2315454240 is about 1322.9560016653.

Adding to 2315454240 its reverse (424545132), we get a palindrome (2739999372).

The spelling of 2315454240 in words is "two billion, three hundred fifteen million, four hundred fifty-four thousand, two hundred forty".