40824170478 has 128 divisors (see below), whose sum is σ = 112023690240. Its totient is φ = 10731346560.

The previous prime is 40824170461. The next prime is 40824170479. The reversal of 40824170478 is 87407142804.

40824170478 is a `hidden beast` number, since 4 + 0 + 8 + 2 + 4 + 170 + 478 = 666.

It is a super-2 number, since 2×40824170478² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40824170479) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1495068 + ... + 1522128.

It is an arithmetic number, because the mean of its divisors is an integer number (875185080).

Almost surely, 2^40824170478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40824170478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56011845120).

40824170478 is an abundant number, since it is smaller than the sum of its proper divisors (71199519762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40824170478 is a wasteful number, since it uses less digits than its factorization.

40824170478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27399 (or 27393 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The spelling of 40824170478 in words is "forty billion, eight hundred twenty-four million, one hundred seventy thousand, four hundred seventy-eight".