2294209840 has 80 divisors (see below), whose sum is σ = 6082298208. Its totient is φ = 797257728.

The previous prime is 2294209837. The next prime is 2294209843. The reversal of 2294209840 is 489024922.

2294209840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2294209837) and next prime (2294209843).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2294209793 and 2294209802.

It is not an unprimeable number, because it can be changed into a prime (2294209843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47202 + ... + 82561.

Almost surely, 2^2294209840 is an apocalyptic number.

2294209840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2294209840 is an abundant number, since it is smaller than the sum of its proper divisors (3788088368).

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

2294209840 is a wasteful number, since it uses less digits than its factorization.

2294209840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129806 (or 129800 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2294209840 is about 47897.9106016118. The cubic root of 2294209840 is about 1318.8975030536.

The spelling of 2294209840 in words is "two billion, two hundred ninety-four million, two hundred nine thousand, eight hundred forty".