2045026512540 has 72 divisors (see below), whose sum is σ = 6767178648048. Its totient is φ = 495764002560.

The previous prime is 2045026512493. The next prime is 2045026512563. The reversal of 2045026512540 is 452156205402.

2045026512540 is a `hidden beast` number, since 2 + 0 + 4 + 50 + 2 + 65 + 1 + 2 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2045026512495 and 2045026512504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516418857 + ... + 516422816.

It is an arithmetic number, because the mean of its divisors is an integer number (93988592334).

Almost surely, 2^{2045026512540} is an apocalyptic number.

2045026512540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045026512540 is an abundant number, since it is smaller than the sum of its proper divisors (4722152135508).

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

2045026512540 is a wasteful number, since it uses less digits than its factorization.

2045026512540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032841699 (or 1032841694 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 2045026512540 in words is "two trillion, forty-five billion, twenty-six million, five hundred twelve thousand, five hundred forty".