2345255440 has 40 divisors (see below), whose sum is σ = 5948422848. Its totient is φ = 852819840.

The previous prime is 2345255401. The next prime is 2345255453. The reversal of 2345255440 is 445525432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2345255396 and 2345255405.

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, 1331652 + ... + 1333411.

Almost surely, 2^2345255440 is an apocalyptic number.

2345255440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345255440 is an abundant number, since it is smaller than the sum of its proper divisors (3603167408).

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

2345255440 is a wasteful number, since it uses less digits than its factorization.

2345255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665087 (or 2665081 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 2345255440 is about 48427.8374491366. The cubic root of 2345255440 is about 1328.6075539346.

The spelling of 2345255440 in words is "two billion, three hundred forty-five million, two hundred fifty-five thousand, four hundred forty".