40221982377 has 32 divisors (see below), whose sum is σ = 61002902400. Its totient is φ = 26178598656.

The previous prime is 40221982321. The next prime is 40221982387. The reversal of 40221982377 is 77328912204.

40221982377 is a `hidden beast` number, since 402 + 2 + 1 + 9 + 8 + 237 + 7 = 666.

It is not a de Polignac number, because 40221982377 - 2⁷ = 40221982249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40221982387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2864149 + ... + 2878157.

It is an arithmetic number, because the mean of its divisors is an integer number (1906340700).

Almost surely, 2^40221982377 is an apocalyptic number.

It is an amenable number.

40221982377 is a deficient number, since it is larger than the sum of its proper divisors (20780920023).

40221982377 is a wasteful number, since it uses less digits than its factorization.

40221982377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16534 (or 16528 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 40221982377 in words is "forty billion, two hundred twenty-one million, nine hundred eighty-two thousand, three hundred seventy-seven".