294097006440 has 160 divisors (see below), whose sum is σ = 989195328000. Its totient is φ = 78370125696.

The previous prime is 294097006439. The next prime is 294097006459. The reversal of 294097006440 is 44600790492.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4630821 + ... + 4693899.

It is an arithmetic number, because the mean of its divisors is an integer number (6182470800).

Almost surely, 2^294097006440 is an apocalyptic number.

294097006440 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 294097006440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494597664000).

294097006440 is an abundant number, since it is smaller than the sum of its proper divisors (695098321560).

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

294097006440 is a wasteful number, since it uses less digits than its factorization.

294097006440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64541 (or 64528 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 294097006440 in words is "two hundred ninety-four billion, ninety-seven million, six thousand, four hundred forty".