40514382561 has 16 divisors (see below), whose sum is σ = 54174282624. Its totient is φ = 26932141824.

The previous prime is 40514382551. The next prime is 40514382563. The reversal of 40514382561 is 16528341504.

It is not a de Polignac number, because 40514382561 - 2²¹ = 40512285409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40514382563) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1603321 + ... + 1628393.

It is an arithmetic number, because the mean of its divisors is an integer number (3385892664).

Almost surely, 2^40514382561 is an apocalyptic number.

It is an amenable number.

40514382561 is a deficient number, since it is larger than the sum of its proper divisors (13659900063).

40514382561 is a wasteful number, since it uses less digits than its factorization.

40514382561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 40514382561 in words is "forty billion, five hundred fourteen million, three hundred eighty-two thousand, five hundred sixty-one".