40977897291 has 12 divisors (see below), whose sum is σ = 59204000232. Its totient is φ = 27312273216.

The previous prime is 40977897271. The next prime is 40977897391. The reversal of 40977897291 is 19279877904.

40977897291 is a `hidden beast` number, since 409 + 7 + 78 + 9 + 72 + 91 = 666.

40977897291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40977897291 - 2¹¹ = 40977895243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40977897211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485881 + ... + 563946.

It is an arithmetic number, because the mean of its divisors is an integer number (4933666686).

Almost surely, 2^40977897291 is an apocalyptic number.

40977897291 is a deficient number, since it is larger than the sum of its proper divisors (18226102941).

40977897291 is a wasteful number, since it uses less digits than its factorization.

40977897291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054170 (or 1054167 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 40977897291 in words is "forty billion, nine hundred seventy-seven million, eight hundred ninety-seven thousand, two hundred ninety-one".