40964247961478 has 4 divisors (see below), whose sum is σ = 61446371942220. Its totient is φ = 20482123980738.

The previous prime is 40964247961477. The next prime is 40964247961537. The reversal of 40964247961478 is 87416974246904.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40964247961478² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40964247961477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10241061990368 + ... + 10241061990371.

It is an arithmetic number, because the mean of its divisors is an integer number (15361592985555).

Almost surely, 2^{40964247961478} is an apocalyptic number.

40964247961478 is a deficient number, since it is larger than the sum of its proper divisors (20482123980742).

40964247961478 is a wasteful number, since it uses less digits than its factorization.

40964247961478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20482123980741.

The product of its (nonzero) digits is 585252864, while the sum is 71.

The spelling of 40964247961478 in words is "forty trillion, nine hundred sixty-four billion, two hundred forty-seven million, nine hundred sixty-one thousand, four hundred seventy-eight".