2905233426540 has 120 divisors (see below), whose sum is σ = 9149288524992. Its totient is φ = 771714293760.

The previous prime is 2905233426539. The next prime is 2905233426541. The reversal of 2905233426540 is 456243325092.

2905233426540 is a `hidden beast` number, since 2 + 9 + 0 + 52 + 3 + 34 + 26 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (2905233426539) and next prime (2905233426541).

It is a super-3 number, since 3×2905233426540³ (a number of 38 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2905233426541) 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 39 ways as a sum of consecutive naturals, for example, 3072676 + ... + 3905355.

Almost surely, 2^{2905233426540} is an apocalyptic number.

2905233426540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2905233426540 is an abundant number, since it is smaller than the sum of its proper divisors (6244055098452).

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

2905233426540 is a wasteful number, since it uses less digits than its factorization.

2905233426540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978309 (or 6978298 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 2905233426540 in words is "two trillion, nine hundred five billion, two hundred thirty-three million, four hundred twenty-six thousand, five hundred forty".