40979358147 has 32 divisors (see below), whose sum is σ = 68812108288. Its totient is φ = 21112793856.

The previous prime is 40979358089. The next prime is 40979358157. The reversal of 40979358147 is 74185397904.

It is a happy number.

It is not a de Polignac number, because 40979358147 - 2¹⁴ = 40979341763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40979358157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1733698 + ... + 1757175.

It is an arithmetic number, because the mean of its divisors is an integer number (2150378384).

Almost surely, 2^40979358147 is an apocalyptic number.

40979358147 is a deficient number, since it is larger than the sum of its proper divisors (27832750141).

40979358147 is a wasteful number, since it uses less digits than its factorization.

40979358147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490939.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 40979358147 in words is "forty billion, nine hundred seventy-nine million, three hundred fifty-eight thousand, one hundred forty-seven".