2805326420440 has 32 divisors (see below), whose sum is σ = 6312091610880. Its totient is φ = 1122111516672.

The previous prime is 2805326420419. The next prime is 2805326420441. The reversal of 2805326420440 is 440246235082.

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 = 2805326420393 and 2805326420402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805326420441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921432 + ... + 3050008.

It is an arithmetic number, because the mean of its divisors is an integer number (197252862840).

Almost surely, 2^{2805326420440} is an apocalyptic number.

2805326420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805326420440 is an abundant number, since it is smaller than the sum of its proper divisors (3506765190440).

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

2805326420440 is a wasteful number, since it uses less digits than its factorization.

2805326420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190731 (or 1190727 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 2805326420440 in words is "two trillion, eight hundred five billion, three hundred twenty-six million, four hundred twenty thousand, four hundred forty".