40552892991 has 48 divisors (see below), whose sum is σ = 68022121440. Its totient is φ = 23065482240.

The previous prime is 40552892969. The next prime is 40552892993. The reversal of 40552892991 is 19929825504.

40552892991 is a `hidden beast` number, since 4 + 0 + 5 + 528 + 9 + 29 + 91 = 666.

It is not a de Polignac number, because 40552892991 - 2¹⁴ = 40552876607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552892993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131326 + ... + 313611.

It is an arithmetic number, because the mean of its divisors is an integer number (1417127530).

Almost surely, 2^40552892991 is an apocalyptic number.

40552892991 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40552892991 is a deficient number, since it is larger than the sum of its proper divisors (27469228449).

40552892991 is a wasteful number, since it uses less digits than its factorization.

40552892991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445016 (or 445013 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 40552892991 in words is "forty billion, five hundred fifty-two million, eight hundred ninety-two thousand, nine hundred ninety-one".