40304209977 has 48 divisors (see below), whose sum is σ = 62813724480. Its totient is φ = 24809849856.

The previous prime is 40304209969. The next prime is 40304210003. The reversal of 40304209977 is 77990240304.

40304209977 is a `hidden beast` number, since 40 + 30 + 420 + 99 + 77 = 666.

It is not a de Polignac number, because 40304209977 - 2³ = 40304209969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40304209877) 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, 4716853 + ... + 4725389.

It is an arithmetic number, because the mean of its divisors is an integer number (1308619260).

Almost surely, 2^40304209977 is an apocalyptic number.

It is an amenable number.

40304209977 is a deficient number, since it is larger than the sum of its proper divisors (22509514503).

40304209977 is a wasteful number, since it uses less digits than its factorization.

40304209977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 40304209977 in words is "forty billion, three hundred four million, two hundred nine thousand, nine hundred seventy-seven".