2295178987440 has 160 divisors (see below), whose sum is σ = 7257815130816. Its totient is φ = 599839764480.

The previous prime is 2295178987427. The next prime is 2295178987447. The reversal of 2295178987440 is 447898715922.

It is a super-2 number, since 2×2295178987440² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2295178987447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3772294 + ... + 4338266.

Almost surely, 2^{2295178987440} is an apocalyptic number.

2295178987440 is a gapful number since it is divisible by the number (20) 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 2295178987440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628907565408).

2295178987440 is an abundant number, since it is smaller than the sum of its proper divisors (4962636143376).

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

2295178987440 is a wasteful number, since it uses less digits than its factorization.

2295178987440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566327 (or 566321 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 2295178987440 in words is "two trillion, two hundred ninety-five billion, one hundred seventy-eight million, nine hundred eighty-seven thousand, four hundred forty".